Healthcare organizations juggle complex journeys across intake, triage, treatment, follow-up, and billing. Generic CRMs rarely map cleanly to this reality, creating data silos, manual work, and gaps between clinical and administrative teams. Healthcare CRM software development firms design systems around real clinical workflows-linking patient records, referrals, care plans, communications, and revenue processes-so staff can act on a single, reliable source of truth.

Specialized vendors focus on interoperability and safety first: HIPAA compliance, role-based access, audit trails, and encryption as a baseline. They integrate with EHR/EMR systems via HL7/FHIR, connect labs and imaging, sync schedules, and surface insights with dashboards for capacity, outcomes, and engagement. The result is a CRM that coordinates patients, providers, and payers across channels-portal, email, SMS, call center-while fitting existing infrastructure and scaling as services, locations, and care programs expand.

 

1. OSKI Solutions

At OSKI Solutions, we develop bespoke healthcare CRM systems designed to fit the real workflows of medical organizations rather than forcing teams to adapt to rigid software. Our goal is to help hospitals, clinics, and medical networks centralize patient data, streamline communication, and automate administrative processes while maintaining full regulatory compliance.
We begin with process mapping-understanding how care delivery, scheduling, and billing actually work-then architect a CRM that mirrors those steps. The platform can manage patient intake, referral tracking, and treatment follow-ups, while integrating with EHR/EMR, telehealth systems, and billing modules through secure APIs.
Built on our strong background in .NET, Node.js, and SQL technologies, these systems are cloud-ready on Azure or AWS and scale smoothly with organizational growth. Whether supporting outpatient coordination or multi-branch operations, our healthcare CRMs act as a single operational hub that connects clinical, administrative, and financial functions.

Key Highlights:

• Custom healthcare CRM development aligned with real clinical workflows
• Integration with EHR/EMR, telemedicine, billing, and analytics platforms
• HIPAA-compliant data architecture with encrypted access layers
• Expertise in .NET, C#, Node.js, SQL Server, PostgreSQL, and modern cloud stacks
• Proven experience modernizing healthcare software and digital infrastructure

Services:

• Custom healthcare CRM design and development
• EHR/EMR integration and interoperability (HL7/FHIR)
• Patient data management and workflow automation
• Cloud deployment (Azure, AWS) and infrastructure scaling
• Ongoing maintenance, optimization, and support

Contact Information:

• Website: oski.site
• LinkedIn: www.linkedin.com/company/oski-solutions
• Address: Kaupmehe tn 7, 10114 Tallinn, Estonia
• Phone Number: +48571282759
• Email: contact@oski.site

 

2. Itransition

Itransition delivers healthcare CRM implementation and modernization aligned with security requirements and region-specific regulations. The company positions healthcare CRM as a way to manage patient information, automate sales and marketing, and improve collaboration between care and admin teams. The material highlights core capabilities such as patient data handling, appointment workflows, task management, analytics, and integrated patient communications.

The company outlines common deployment choices (off-the-shelf vs custom, cloud vs on-premise) and lists well-known platforms used in healthcare contexts. Microsoft Cloud for Healthcare is presented as a focal option with data centralization, chatbot intake, dynamic scheduling, and campaign tools, alongside typical complexity and licensing considerations. The page also stresses integrations with EHR/EMR, patient portals, telehealth, hospital and pharmacy systems, and ecommerce.

Key Highlights:

• Focus on secure patient data management, collaboration, and workflow automation
• Clear framing of off-the-shelf vs custom and cloud vs on-premise choices
• Emphasis on Microsoft Cloud for Healthcare capabilities and constraints
• Broad integration map covering EHR/EMR, portals, telehealth, hospital and pharmacy software, and ecommerce
• Advisory through post-go-live support, including optimization and modernization

Services:

• CRM consulting and solution conceptualization
• Platform selection and adoption guidance
• Custom development and implementation
• System integration with clinical and business systems
• Support and maintenance

Contact Information:

• Website: www.itransition.com
• LinkedIn: www.linkedin.com/company/itransition
• Address: 3rd floor, 5-8 Dysart St., EC2A 2BX,London,UK
• Phone Number: +44 203 687 2281
• Facebook: www.facebook.com/Itransition
• Twitter: x.com/itransition
• Email: info@itransition.com

 

3. Exoft

Exoft offers custom healthcare CRM development with options for new builds, customization, integrations, and ongoing testing and maintenance. The page frames CRM as a way to streamline admin tasks, personalize patient interactions, and control operational costs. A feature outline covers patient databases, scheduling, notifications, automated follow-ups, invoicing and payments, and reporting dashboards.

The content argues for custom builds to match requirements and scale over time, while noting experience with HIPAA-compliant projects. Technology stacks referenced include .NET and Java on the back end, popular JavaScript frameworks on the front end, and common mobile platforms. Case studies and blogs are presented as supporting materials.

Key Highlights:

• Custom-first approach with configuration, integration, and lifecycle support
• Feature set spanning patient records, appointments, alerts, follow-ups, billing, and reporting
• Experience on HIPAA-compliant initiatives
• Use of mainstream web and mobile stacks for extensibility
• References to healthcare-focused case work and guidance content

Services:

• Custom CRM development and feature enhancements
• CRM integrations for multi-source patient and operational data
• Testing, upgrades, and maintenance
• Expert consultation, MVPs, web and app development
• Patient portal and EHR integration support

Contact Information:

• Website: exoft.net
• LinkedIn: www.linkedin.com/company/exoft
• Address: Hammarby kaj, 10D Stockholm
• Phone Number: +38 063 963 1064
• Facebook: www.facebook.com/exoft
• Twitter: x.com/ExoftSoftware
• Email: contactus@exoft.net

 

4. N-iX

N-iX provides healthcare software engineering and CRM development services as part of its wider technology portfolio. The company builds secure, compliant systems that enhance communication between patients, providers, insurers, and medical device partners. Its healthcare CRM approach focuses on digital transformation, workflow automation, and interoperability between multiple systems while following strict data protection and ethical governance standards.

In healthcare projects, N-iX integrates CRM systems with cloud platforms, data analytics, and AI-based tools to support patient management, care coordination, and process transparency. The company’s cross-industry experience allows medical organizations to connect CRM functions with embedded solutions, IoT devices, and analytics dashboards, creating unified ecosystems that support both operational and clinical goals.

Key Highlights:

• Development of secure healthcare CRM systems with integrated analytics
• Alignment with HIPAA and regional compliance standards
• Cross-domain expertise connecting CRM with IoT and AI solutions
• Multi-region presence with delivery centers in Europe, North America, and Asia
• Ethical and sustainability initiatives embedded in business operations

Services:

• Custom healthcare CRM software development
• Integration of CRM with EHR/EMR and analytics systems
• Cloud migration and infrastructure modernization
• AI consulting and implementation for patient engagement
• Data and cybersecurity engineering

Contact Information:

• Website: www.n-ix.com
• LinkedIn: www.linkedin.com/company/n-ix
• Address: London EC3A 7BA, 6 Bevis Marks
• Phone Number:+442037407669                                
• Facebook: www.facebook.com/N.iX.Company
• Twitter: x.com/N_iX_Global

 

5. Elinext

Elinext develops custom healthcare CRM software designed to improve patient engagement, administrative efficiency, and regulatory compliance. The company builds tailored platforms for hospitals, clinics, and medical centers that automate scheduling, manage patient histories, and facilitate secure communication. Its systems are structured around ease of integration with EHR/EMR, mobile access for care teams, and HIPAA-compliant data handling.

In addition to core CRM systems, Elinext integrates AI modules that support analytics, chatbots, smart scheduling, and fraud detection. These functions help healthcare organizations streamline operations, reduce manual tasks, and predict patient needs. The company also works with leading CRM platforms such as Salesforce, Microsoft Dynamics, and Odoo, adapting each to healthcare environments and compliance requirements.

Key Highlights:

• Custom CRM solutions for diverse medical institutions
• HIPAA, HL7, and GDPR compliance across all systems
• AI-powered tools for segmentation, scheduling, and workflow automation
• Broad integration with EHR, telehealth, and billing systems
• Proven experience with long-term healthcare technology projects

Services:

• Healthcare CRM software development and customization
• CRM integration with hospital, lab, and telemedicine systems
• Mobile CRM application development
• QA testing, maintenance, and support
• AI-based automation and analytics modules

Contact Information:

• Website: www.elinext.com
• LinkedIn: www.linkedin.com/company/elinext
• Address: 58 Sabały st. / lokal A1-B1, Warszawa, 02-174
• Phone Number: +48 22 104 20 98
• Facebook: www.facebook.com/elinext
• Twitter: x.com/elinext
• Instagram: www.instagram.com/elinext_alliance
• Email: info@elinext.com

 

6. TechMagic

TechMagic is a software product development company specializing in full-cycle engineering for healthtech and digital healthcare solutions. Its healthcare CRM projects are built on modern cloud and web frameworks, integrating data management, communication tools, and automation features into one system. The company combines backend and frontend development expertise with compliance-focused architecture to support both startups and established healthcare providers.

The team applies cloud, AI, and Salesforce capabilities to create scalable CRM systems that unify patient data and enable secure collaboration across departments. With a strong foundation in AWS, Azure, and modern JavaScript frameworks, TechMagic emphasizes reliable infrastructure, clean user experience, and continuous quality assurance throughout the product lifecycle.

Key Highlights:

• Focus on healthcare CRM, EHR/EMR, and telemedicine systems
• End-to-end product development from concept to deployment
• Proven experience with cloud-native and serverless architectures
• Integration of AI features for automation and data insights
• Global delivery model with offices in Europe and North America

Services:

• Healthcare CRM and patient management system development
• Custom web and mobile app engineering
• Data engineering and cloud implementation
• Salesforce development and integration
• Quality assurance and cybersecurity testing

Contact Information:

• Website: www.techmagic.co
• LinkedIn: www.linkedin.com/company/5276965
• Address: 41 Devonshire Street W1G 7AJ, London, UK
• Facebook: www.facebook.com/TechMagic.co
• Instagram: www.instagram.com/techmagic
• Email: hello@techmagic.co

 

7. S-PRO

S-PRO provides healthcare software development with a focus on secure and compliant solutions. The work centers on building systems that connect patients, clinicians, insurers, pharmacists, and device providers in one ecosystem. The site positions healthcare as a core industry and highlights practical delivery across web, mobile, cloud, data, and UI design.

Beyond engineering, S-PRO supports early discovery and product planning so teams can shape scope, define requirements, and de-risk delivery before coding. The company also offers ongoing support and team augmentation, which helps healthcare organizations keep software stable while adding features over time.

Key Highlights:

• Healthcare software development with attention to security and compliance
• End to end support from discovery to maintenance
• Capabilities across AI and ML, cloud, data, web, mobile, and UI design
• Services aligned to product roadmaps and incremental delivery
• Presence in Switzerland and the USA for client engagement

Services:

• Technology consulting
• Custom software engineering
• Product discovery
• MVP development
• Support and maintenance
• Team augmentation

Contact Information:

• Website: s-pro.io
• LinkedIn: www.linkedin.com/company/s-pro
• Address: Kiln SLC, 26 S Rio Grande St suite 2072, Salt Lake City, UT 84101, USA
• Phone Number: +41 79 535 63 77
• Facebook: www.facebook.com/sprocompany
• Instagram: www.instagram.com/sprocompany
• Email: hi@s-pro.io

 

8. Jelvix

Jelvix designs custom healthcare CRM software for hospitals, clinics, and healthcare networks. Its approach focuses on streamlining clinical workflows, improving patient communication, and ensuring compliance with HIPAA and GDPR. The company develops CRMs from the ground up or modernizes legacy systems to align with current security and performance standards. Each solution can be integrated with existing EHR and EMR platforms using frameworks like FHIR and HL7 to ensure reliable data exchange.

Beyond core development, Jelvix provides consulting, migration, and mobile CRM solutions for healthcare teams that require flexible access and scalable infrastructure. The company places emphasis on data privacy, usability, and seamless integration so that administrative and care staff can manage patient data and engagement from one central platform.

Key Highlights:

• Custom healthcare CRM systems compliant with HIPAA and GDPR
• Integration with EHR and EMR systems using FHIR and HL7 standards
• CRM modernization, migration, and mobile access options
• Focus on secure data handling and usability for complex workflows
• Long-term support for system updates and optimization

Services:

• Custom medical CRM development
• CRM integration with EHR and EMR platforms
• CRM migration and legacy modernization
• Healthcare mobile CRM development
• CRM consulting and user training

Contact Information:

• Website: jelvix.com
• LinkedIn: www.linkedin.com/company/jelvix
• Phone Number: +1 240 507 54 71
• Facebook: www.facebook.com/JelvixCompany
• Twitter: x.com/jelvix
• Instagram: www.instagram.com/jelvix
• Email: hello@jelvix.com

 

9. EffectiveSoft

EffectiveSoft builds custom medical CRM software that supports healthcare organizations in managing patient relationships, automating workflows, and maintaining regulatory compliance. The company develops solutions that align with hospital operations and integrate smoothly with EHR and EMR systems. Customization for Microsoft Dynamics CRM is also available, allowing institutions to expand existing environments instead of replacing them.

The healthcare CRMs developed by EffectiveSoft are designed to simplify communication, enable billing and scheduling automation, and consolidate patient information into a single view. The systems focus on security and ease of use, allowing organizations to deliver personalized care while protecting sensitive data.

Key Highlights:

• Tailored medical CRM systems compatible with hospital workflows
• Microsoft Dynamics CRM customization for healthcare use
• Integration with EHR and EMR systems for unified patient data
• Built-in billing, scheduling, and patient engagement tools
• Compliance with HIPAA and other healthcare data protection standards

Services:

• Custom healthcare CRM development
• Microsoft Dynamics CRM customization
• Integration with EHR and EMR platforms
• Workflow automation and reporting tools
• CRM testing, modernization, and maintenance

Contact Information:

• Website: www.effectivesoft.com
• LinkedIn: www.linkedin.com/company/effectivesoft
• Address: 4445 Eastgate Mall, Suite 200 92121
• Phone Number: 1-800-288-9659
• Facebook: www.facebook.com/EffectiveSoft
• Twitter: x.com/EffectiveSoft
• Email: rfq@effectivesoft.com

 

10. Belitsoft

Belitsoft develops healthcare CRM and software systems for organizations that need cloud-native, interoperable, and data-driven tools. The company focuses on combining healthcare expertise with engineering capacity, supporting clients through full product development or team augmentation. Its CRM and healthcare software solutions emphasize scalability, analytics, and compliance with industry standards like HIPAA.

The team builds CRMs that connect clinical data, automate administrative processes, and integrate with AI, IoT, and cloud services. These systems are designed to handle large datasets securely while maintaining performance and accessibility across web and mobile platforms. Belitsoft also assists with modernization and migration to cloud platforms such as AWS, Azure, and Google Cloud.

Key Highlights:

• Experience in developing cloud-based and interoperable healthcare CRM systems
• Integration with AI, IoT, and analytics frameworks
• HIPAA-compliant engineering and data security practices
• Team augmentation for healthcare software projects
• Emphasis on scalability, usability, and regulatory compliance

Services:

• Custom healthcare CRM software development
• Cloud migration and modernization services
• Dedicated healthcare software engineering teams
• QA and compliance support
• System integration with third-party and medical platforms

Contact Information:

• Website: belitsoft.com
• LinkedIn: www.linkedin.com/company/belitsoft-llc
• Phone Number: +1 (917) 410-57-57                                 
• Facebook: www.facebook.com/Belitsoft
• Twitter: x.com/BelitsoftCom
• Email: info@belitsoft.com

 

11. BairesDev

BairesDev delivers custom healthcare software with a focus on secure, compliant development and practical integration across clinical systems. Work spans telemedicine, management systems, cloud solutions, and data platforms, with CRM use cases covered through patient information centralization, workflow automation, and remote monitoring support. Engagements can extend from concept to modernization so organizations can upgrade legacy tools instead of replacing them outright.

Healthcare projects emphasize interoperability with EHRs and third-party systems, plus analytics for reporting and decision support. Delivery uses large pools of senior engineers and flexible engagement models, combining new builds with integrations, QA, and ongoing maintenance to keep platforms stable and scalable.

Key Highlights:

• Custom healthcare builds aligned to HIPAA considerations
• Interoperability with EHRs and other clinical platforms
• Cloud-first delivery with backup and recovery practices
• Legacy system modernization without full replacement
• Analytics and ML support for reporting and insights

Services:

• Custom healthcare software development
• Telemedicine app development
• Healthcare management systems
• Cloud solutions and integrations
• Data and analytics platforms
• Legacy modernization

Contact Information:

• Website: www.bairesdev.com
• LinkedIn: www.linkedin.com/company/bairesdev
• Address: 50 California Street California USA
• Phone Number: +1 (408) 478-2739
• Facebook: www.facebook.com/bairesdev
• Twitter: x.com/bairesdev
• Instagram: www.instagram.com/bairesdev

 

12. Glorium Technologies

Glorium Technologies provides healthcare software with medical CRM as a core scenario alongside portals, telehealth, and remote monitoring. The approach targets workflow automation, clean user experience, and integration across systems to reduce manual steps for care teams. Compliance and security are integral, with references to HIPAA, GDPR, and alignment to interoperability standards like HL7 and FHIR.

Delivery covers consulting through support, including strategy, architecture, development, integration, and maintenance. The portfolio showcases solutions for virtual patient journeys, hospital and pharmacy operations, and health information exchange, with emphasis on usability and adoption to keep training time low and engagement high.

Key Highlights:

• Medical CRM system within a broader healthcare stack
• Interoperability based on HL7, FHIR, DICOM and related standards
• Compliance practices covering HIPAA and regional regulations
• End-to-end delivery from discovery to follow-up modernization
• Focus on UX to improve adoption by clinical and admin users

Services:

• Healthcare consulting and roadmapping
• Design, architecture, and product development
• Integration and implementation
• QA, testing, and support
• Modernization and team extension

Contact Information:

• Website: gloriumtech.com
• Address: 1201 Fannin St, Suite 262, Houston, TX 77002 USA
• Phone: +1-888-354-0883
• LinkedIn: www.linkedin.com/company/glorium-technologies
• Twitter: x.com/Glorium_Tech

 

13. Appinventiv

Appinventiv develops healthcare software systems that combine product engineering, data analytics, and digital transformation expertise. The company works with healthcare providers, insurers, and startups to design platforms that manage patient data securely, automate operations, and support better decision-making. Its healthcare CRM solutions are typically built as part of larger ecosystems that include mobile and web applications, cloud-based analytics, and integration with existing EHR systems.

Projects often involve redesigning or modernizing legacy healthcare software to align with compliance requirements and modern performance standards. The company’s core strengths include scalable architecture, cross-platform compatibility, and the use of technologies such as AI, IoT, and blockchain for improved data management and interoperability. Teams handle full-cycle delivery, from initial consulting and system design to long-term support and optimization.

Key Highlights:

• Focus on healthcare software development and modernization
• Integration of CRM features within larger digital ecosystems
• Strong foundation in data security, compliance, and scalability
• Expertise in AI, IoT, blockchain, and cloud solutions for healthcare
• End-to-end delivery from concept and consulting to maintenance

Services:

• Product design and software development
• Application development and modernization
• Cloud and cybersecurity implementation
• Data analytics and big data management
• IT and software consulting
• QA, testing, and DevOps

Contact Information:

• Website: appinventiv.com
• Phone: + 1 - 646 - 585 - 0501
• Address: 79 Madison Ave Manhattan, NY 10001, USA
• LinkedIn: www.linkedin.com/company/appinventiv
• Twitter: x.com/appinventiv
• Instagram: www.instagram.com/appinventiv

 

14. Saritasa

Saritasa develops custom healthcare software that covers the full cycle of medical and clinical operations. The company’s experience spans mobile applications, patient portals, EHR/EMR systems, IoT integrations, and medical device connectivity. Its healthcare CRM capabilities often appear inside broader systems for patient engagement, analytics, and workflow automation. Each product is designed to comply with HIPAA and international data security standards, balancing usability with privacy.

The team modernizes legacy healthcare software, builds secure data analysis tools, and supports VR and AR use cases for training and rehabilitation. Solutions can integrate with third-party tools like Salesforce CRM or RFID scanners to manage assets, appointments, and remote monitoring. Across each project, Saritasa maintains a technical focus on performance, interoperability, and a long-term maintenance strategy.

Key Highlights:

• Broad expertise in healthcare and medical technology software
• Custom CRM and patient engagement integrations
• Support for AR, VR, IoT, and AI use in clinical environments
• HIPAA, GDPR, and FDA compliance coverage
• Legacy modernization and performance optimization

Services:

• Custom healthcare software development
• Mobile and web application design
• EHR/EMR systems and database development
• IoT and device integration
• Data analytics and AI/ML implementation
• HIPAA compliance and system modernization

Contact Information:

• Website: www.saritasa.com 
• LinkedIn: www.linkedin.com/company/saritasa
• Address: Irvine, CA19900 MacArthur Boulevard #650 Irvine, CA 92612
• Phone Number: 888.646.2688
• Facebook: www.facebook.com/SaritasaLLC
• Twitter: x.com/SaritasaLLC
• Email: info@saritasa.com

 

15. AltexSoft

AltexSoft provides healthcare software solutions built around analytics, machine learning, and system integration. The company develops applications for EHR management, telemedicine, pharmaceutical operations, and health monitoring. Its work includes mobile apps for patients and clinicians, data science tools for diagnostics, and CRM modules that streamline scheduling, billing, and communication.

Projects often focus on reducing paperwork, improving data access, and enhancing clinical performance. AltexSoft also builds AI-driven algorithms to detect medical patterns, forecast outcomes, and increase diagnostic accuracy. Alongside core development, the company assists with administrative systems for labs, clinics, and pharmacies, ensuring seamless integration with existing infrastructures and a consistent compliance approach.

Key Highlights:

• Experience in health data science and predictive analytics
• CRM modules integrated with EHR and telemedicine tools
• Development for pharmaceutical and diagnostic software
• Cloud, AI, and mobile technologies applied in healthcare contexts
• Emphasis on interoperability, automation, and compliance

Services:

• Custom healthcare and pharmaceutical software development
• Telemedicine and remote patient monitoring apps
• EHR and clinic management system design
• AI/ML data science consulting and integration
• Workflow automation and interoperability solutions

Contact Information:

• Website: www.altexsoft.com
• Address: 11340 Lakefield Drive, Suite 200 Johns Creek, GA 30097
• LinkedIn: www.linkedin.com/company/altexsoft
• Facebook: www.facebook.com/altexsoft
• Twitter: x.com/AltexSoft
• Instagram: www.instagram.com/altexsoftcom

 

16. eSparkBiz

eSparkBiz builds healthcare CRM and software systems designed for scalability, interoperability, and compliance. Its solutions cover EHR/EMR platforms, telemedicine, patient portals, billing software, and AI-powered analytics. Each system follows HIPAA, HL7, and GDPR standards, supported by certified engineers and structured agile delivery. The company’s healthcare CRM work focuses on connecting patients and providers through automated communication, data sharing, and engagement insights.

Beyond development, eSparkBiz provides consulting, integration, and modernization services for hospitals, healthtech startups, and research institutions. Its platforms use cloud-native architecture, IoMT integration, and security frameworks that include encryption, MFA, and audit logging. The company also explores advanced areas such as AR/VR, digital twins, and neurotech for next-generation healthcare applications.

Key Highlights:

• Certified expertise across HIPAA, HL7, FHIR, and GDPR standards
• Experience in EHR, telemedicine, and healthcare CRM platforms
• AI, IoT, RPA, and blockchain integration for automation and analytics
• Emphasis on security practices like MFA, encryption, and zero-trust frameworks
• Global project delivery with ISO 27001:2013 and CMMI Level 3 credentials

Services:

• Healthcare CRM and engagement system development
• Custom EHR/EMR and telemedicine software
• AI/ML analytics and IoMT integration
• Cloud migration and DevOps implementation
• Healthcare data security consulting and modernization

Contact Information:

• Website: www.esparkinfo.com
• LinkedIn: www.linkedin.com/company/esparkinfo
• Address: 651 N Broad St, Suite 201, Middletown, Delaware 19709
• Phone Number: (+91) - 6353453248
• Facebook: www.facebook.com/esparkbiz
• Twitter: x.com/esparkbiz
• Instagram: www.instagram.com/esparkbiz
• Email: sales@esparkinfo.com

Conclusion

Healthcare CRM development is most useful when it ties real clinical workflows to clear communication and secure data sharing. The strongest results usually come from systems that connect with EHRs, automate routine tasks, and give teams a simple way to track patient interactions without adding extra admin work.

When choosing a partner, look for practical proof of compliance, clean integration plans, and a roadmap for maintenance. A good brief helps too - list core workflows, required integrations, user roles, and reporting needs. If the CRM mirrors day-to-day work, adoption goes up, handoffs get smoother, and patient touchpoints stop slipping through the cracks.