Best Self Hosted Alternatives to Bitrix24

Twenty is an open-source CRM designed as a modern alternative to Salesforce for managing customer relationships, sales pipelines, and internal workflows. It focuses on a fast UI, flexible data modeling, and automation so teams can adapt the CRM to their processes.

Key Features

• Customizable objects and fields to fit your business data model
• Multiple views for records, including filters, sorting, grouping, kanban, and table layouts
• Role-based permissions to manage user access with custom roles
• Workflow automation with triggers and actions
• Built-in features for day-to-day CRM work such as tasks and rich notes
• APIs and webhooks support for connecting external systems

Use Cases

• Run a sales pipeline CRM for leads, accounts, contacts, and deals
• Centralize customer data and collaboration for a growing team
• Automate CRM processes and sync events across internal tools using webhooks

Limitations and Considerations

• Extensibility is evolving; a mature plugin ecosystem may not be available yet

Twenty is well-suited for teams that want ownership of their CRM data and the ability to customize workflows deeply. It aims to combine a modern user experience with the flexibility needed for fast-changing business requirements.

Mattermost is an open-source, self-hosted collaboration platform designed for secure team communication and real-time collaboration in high-stakes environments. It supports flexible deployment options, including on-premises or private cloud setups, with enterprise-grade security, governance, and integration capabilities.

Key Features

• Self-hosted deployment with high availability for mission-critical use
• Native audio calls and screen sharing within channels
• Interoperability with external tools (MS Teams, GitLab, Atlassian) and native playbooks
• Open-source Team Edition licensed under MIT
• Data control, granular admin and deployment flexibility (air-gapped networks, on-prem/private cloud)
• Real-time DevSecOps collaboration with integrated playbooks and automation

Use Cases

• Integrated Security Operations and incident response coordination
• Real-time DevSecOps collaboration to accelerate software delivery
• Self-sovereign collaboration and data governance for regulated environments

Limitations and Considerations

• Team Edition is intended for small teams and is not recommended for government or sensitive workloads

Conclusion: Mattermost offers a secure, self-hosted collaboration platform with deployment flexibility and strong integration capabilities, making it suitable for organizations needing data control and mission-critical workflows.

Zulip is an open-source team chat platform designed for both real-time and asynchronous communication. Its distinctive topic-based threading keeps conversations organized, making it easier to follow multiple discussions without losing context.

Key Features

• Topic-based threading within channels (streams) to keep discussions focused
• Inbox-style view to prioritize unread conversations
• Real-time messaging with searchable history
• Powerful integrations and bots, including webhook-based workflows
• Granular permissions and administration for organizations and communities
• Multi-platform clients, including web, desktop, and mobile apps

Use Cases

• Team communication for engineering, product, and operations groups
• Open source or community collaboration with many parallel discussions
• Async-first coordination across time zones while preserving context

Zulip is a strong fit for teams that want the immediacy of chat without sacrificing long-term clarity. Its conversation organization model scales well as the number of channels and active threads grows.

Huly is an open-source, all-in-one platform for building and running team workspaces that combine project management, real-time communication, and documentation. It aims to replace a stack of separate tools by unifying issues, collaboration, and knowledge in one system.

Key Features

• Project and issue tracking for planning and managing work
• Team chat for real-time communication inside workspaces
• Collaborative documents with rich text, attachments, and code blocks
• Real-time co-editing, user mentions, linking documents to issues, and action items
• Multiple business apps built on the same platform (e.g., CRM, HRM, ATS)
• API client for programmatic access and building integrations

Use Cases

• Run a unified workspace for product teams combining issues, chat, and documentation
• Maintain internal documentation, meeting notes, and roadmaps linked to ongoing work
• Build custom business applications on top of the Huly Platform framework

Limitations and Considerations

• Some local/development installations may not support outbound email, which can disable features like password recovery and email notifications

Huly is well-suited for teams that want a single, cohesive system for coordinating work and knowledge. It also provides a platform foundation for extending into broader business workflows such as CRM and HR processes.

SuiteCRM is an open-source Customer Relationship Management platform that provides sales, marketing and service modules to manage customer data, processes and reporting. It is maintained by SuiteCRM Ltd and the broader community as a fork/continuation of legacy SugarCRM code. (suitecrm.com)

Key Features

• Sales automation: leads, opportunities, quotes and pipeline management.
• Marketing: campaign management and targeted segmentation.
• Service & case management: ticketing and customer support workflows.
• Reporting & dashboards: configurable reports and visual metrics.
• Workflow and process automation with rule-based triggers and scheduled tasks.
• REST API and plugin architecture for integrations and add-ons.
• Multi-language and multi-currency support for international deployments.
• Compatibility with PHP and common LAMP components (Apache, MySQL/MariaDB). (github.com)
• Public demo instances available for SuiteCRM 7 and SuiteCRM 8 for evaluation. (suitecrm.com)

Use Cases

• Replace or reduce reliance on proprietary CRMs (Salesforce, Dynamics) by adopting an open-source platform.
• Centralise customer data and automate sales, marketing and support processes across teams.
• Build bespoke integrations or extensions using the REST API and modular plugin system.

Limitations and Considerations

• SuiteCRM 8 introduces a modern front-end and development toolchain; front-end development requires Node.js, yarn and Angular (development tools not required for production runtime). Plan for developer-tooling and testing when customizing the new UI. (docs.suitecrm.com)
• Major migrations (for example from SuiteCRM 7.x to 8.x) require following the official migration guides, testing in a development environment and careful handling of custom code and data; the migration process may need manual steps and file replacements. (docs.suitecrm.com)

SuiteCRM is a full-featured, community-driven CRM suitable for organisations that need ownership and extensibility of their CRM platform. It supports both self-hosted and hosted deployment options and provides formal commercial support and assurance programs through SuiteCRM Ltd.

Ever Gauzy is an open business management platform that combines core back-office and team operations into a single suite. It provides a web application plus headless APIs to manage customers, employees, projects, and finances.

Key Features

• ERP and finance features including invoicing, estimates, income/expense tracking, and billing
• CRM with contacts/leads management and sales pipelines
• HRM and ATS features such as employee records, onboarding, time off, and candidate tracking
• Project and task management with goals/KPIs and reporting/analytics dashboards
• Time tracking, timesheets, and activity/productivity tracking (including desktop timer apps)
• Multi-organization support with roles and permissions, multi-currency, and multilingual UI
• Data import/export and integrations with external services

Use Cases

• Running internal operations for agencies or distributed teams (projects, time, billing)
• Managing HR and hiring pipelines alongside employee scheduling and time off
• Tracking sales, proposals, and invoicing in one system for small to mid-sized businesses

Limitations and Considerations

• The platform is broad in scope and can require careful configuration to match specific business processes
• Some functionality is split across optional desktop/server apps (e.g., desktop timer) depending on deployment choice

Ever Gauzy is suited for organizations that want an integrated, extensible suite covering operations from CRM through HR and finance. Its API-first approach also makes it useful as a backend for custom client and workforce workflows.

EspoCRM is an open-source CRM application implemented as a PHP backend with a single-page frontend and a REST API. It provides core CRM objects (contacts, accounts, leads, opportunities) and a metadata-driven platform for customizing entities, layouts and business logic.

Key Features

• Core CRM modules: contacts, accounts, leads, opportunities, products and pipelines (Kanban view).
• Customization: Entity Manager, custom fields, layout editor and JSON-schema-based metadata for IDE autocompletion.
• Automation & workflows: formula scripting, scheduled actions and BPM/workflow extension capabilities.
• Integrations: REST API plus built-in/connectable integrations for calendar, email, Outlook, Google, MailChimp, Zoom and third-party automation tools.
• Reporting & analytics: dashboards, advanced reports and data export tools.
• Security & access: role-based access control, field-level permissions, 2FA, LDAP/OpenID Connect support and auth logs.
• Deployment options: official Docker images, Docker Compose examples, Traefik/Caddy deployment guides and web server support.
• Extensibility: commercial and community extensions (packs for advanced reporting, sales, project management, VoIP, etc.).

Use Cases

• Manage sales pipelines, track leads/opportunities and produce sales reports for small and midsize businesses.
• Run customer support with ticketing, email-to-case automation and a customer portal.
• Build bespoke business applications by extending entities, adding integrations and automating processes.

Limitations and Considerations

• Several advanced capabilities (Advanced Pack, Sales Pack, specific integrations) are provided as paid, per-instance extensions and may require purchase for full functionality.
• The project is licensed under AGPLv3; organizations planning to redistribute or build competing SaaS should review license implications.
• Some deeper customizations and large-scale integrations may require developer expertise (PHP, metadata and DI knowledge).

EspoCRM is suitable for teams that need a customizable, open-source CRM platform with modular paid extensions and production deployment options. The project emphasizes extensibility, REST integration and metadata-driven customization.

tillywork is a work management platform that unifies project management, sales CRM, and agile workflows for startups. It is open-source and self-hosted, offering three integrated apps in one platform.

Key Features

• Open-source and customizable
• Three integrated apps: Project Management, Sales CRM, and Agile Projects
• Modern UI built with Vuetify and TypeScript
• PostgreSQL backend with Docker/cloud deployment options
• Extensible architecture with easy customization and integration
• Active community and documentation

Use Cases

• Centralize planning and execution for product teams and sales across projects, CRM, and roadmaps
• Replace multiple tools with one integrated Work OS to reduce context switching
• Support agile workflows with sprint planning, backlogs, and issue tracking

Conclusion tillywork provides a single source of truth for startups by unifying PM, CRM, and agile workflows in a self-hosted, open-source platform.

Atomic CRM is an open-source, full-featured customer relationship management (CRM) application built with React and Supabase. It provides core sales CRM functionality while remaining developer-friendly for building tailored CRM experiences.

Key Features

• Contact management with searchable, centralized records
• Deal pipeline management with a Kanban-style board
• Tasks, reminders, and note-taking linked to customers and deals
• Email capture workflow to store communications as notes
• Import/export tools for moving contact data in and out
• Access control with support for external identity providers (via OIDC)
• Activity history and aggregated activity logs
• API-first backend provided by Supabase (Postgres + REST)
• Developer-centric customization: custom fields, theming, and replaceable UI components

Use Cases

• Small teams needing a self-managed CRM for contacts, deals, and follow-ups
• Agencies or SaaS teams building a customized CRM on top of a ready-made base
• Internal sales ops tools requiring auditability and integrations via an API

Limitations and Considerations

• Customization is primarily code-driven (no full graphical customization UI)
• Production setup depends on correctly configuring Supabase services (auth, database, storage)

Atomic CRM fits teams that want a modern CRM foundation with a React UI and a Postgres-backed backend. It is especially suitable when you need to extend the data model and UI components to match a specific workflow.

Tracim is a modular team collaboration platform that unifies conversations, file storage, documentation and basic project management in organized workspaces. It provides threaded discussions, versioned files and collaborative pages to centralize team activity and knowledge.

Key Features

• Threaded conversations and real-time team communication organized by spaces
• File sharing with versioning and full history for documents and attachments
• Collaborative pages and documentation support for knowledge management
• Task and project organization inside spaces with simple project management primitives
• Multilingual interface and content support
• Workspace-based permissions and history/audit of content changes

Use Cases

• Small to medium teams needing a unified workspace for chat, documents and files
• Documentation and knowledge base hosting with versioned pages and history
• Project collaboration where files, discussions and tasks must be tracked together

Limitations and Considerations

• Upstream Docker images for the latest releases are reportedly restricted to paying customers, which can complicate easy deployment of cutting-edge releases
• The project maintains multiple licenses across components, which may require review for redistribution or commercial use
• The development and release processes are under active rework, so release cadence and distribution methods may change

Tracim is suitable for organizations that want an integrated, open collaboration environment combining chat, file drive and documentation. It emphasizes versioning, structured workspaces and multilingual support for team collaboration.

ProjeQtOr is an open-source, web-based project management and project portfolio steering tool designed for operational control of projects. It aims to replace spreadsheets and scattered tools by centralizing planning, tracking, and governance in one application.

Key Features

• Multi-project and multi-level portfolio management with consolidation across programs and projects
• Project planning and scheduling with resource availability constraints and shared resource management
• Task and activity tracking, milestones, and deliverables management
• Cost and budget follow-up to support project steering and commitments control
• Management of risks, issues/incidents, and quality-related follow-up for day-to-day project execution
• Highly configurable roles and interfaces to adapt to different organizations and methods (agile, waterfall, hybrid)

Use Cases

• Running an internal PMO tool for portfolio visibility across multiple departments
• Replacing Excel-based planning with centralized scheduling and resource allocation
• Tracking delivery execution with integrated monitoring of deadlines, costs, risks, and issues

ProjeQtOr is suited to organizations that want an all-in-one, configurable project governance platform while keeping full control over their data and infrastructure. Its breadth of integrated features makes it a strong option for teams seeking a pragmatic project steering system rather than a single-purpose task tracker.