Find the best open-source alternatives to popular software.

Free kanban project management with unlimited boards, lists, and cards. Import Trello boards, collaborate with teams, and self-host for complete control.

A feature flag platform that integrates with Git workflows, enabling developers to manage features directly in their codebase.

Platform for connecting AI agents to 500+ tools with built-in multi-tenant auth management and granular permissions using either function calling or a unified MCP server

Open-source no-code platform for creating databases, applications, and workflows. Self-host or use cloud. GDPR, HIPAA, SOC 2 compliant with unlimited scalability.

Collect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.

Open source deployment platform that deploys apps directly from GitHub with zero-downtime, real-time logs, preview URLs, and support for Python, Node.js frameworks.

Open-source time tracking solution for businesses of all sizes. Manage projects, track billable hours, and generate insightful reports.

A user-friendly desktop accounting software that helps businesses manage invoices, track expenses, and handle bookkeeping with a modern interface.

Native .fig file support, built-in AI with 90 tools, headless CLI, Vue SDK for custom editors, real-time P2P collaboration. MIT licensed, works offline.

A keyboard-driven launcher that helps you quickly find and open applications, files, and bookmarks across Windows, macOS, and Linux

Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.

Distributed SQL database designed for high-speed ingestion and complex queries on massive datasets, ideal for IoT and time-series data.

A document management platform that helps you archive, organize, and search files with email ingestion, tagging capabilities, and powerful search functionality.

A scalable authorization layer that provides fine-grained access control through externalized policies, enabling secure and flexible permissions management.

Install your own group chat system with @mentions, DMs, and mobile support. One-time purchase, no monthly fees. Includes full source code for customization.

Open-source, self-hosted time tracking solution for developers. Analyze coding habits, improve productivity, and visualize progress.

A self-hosted community feedback tool that helps organizations gather, discuss, and prioritize user suggestions and feature requests.

A flexible and extensible content management system for creating dynamic websites and digital experiences

Self-hosted software forge offering GitHub-like features with minimal resources. Easy installation, low maintenance, and 100% free software for secure project management.

Self-hosted email management system with shared inboxes, automation, and powerful collaboration features for efficient customer support.

Logfire offers intuitive observability tools for Python applications, combining logs, profiling, and telemetry in one platform.

Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.

Orchestrate multiple coding agents in parallel for seamless development. Isolated Git worktrees ensure organized workflows.

Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.

Self-hosted appointment scheduling solution with Google Calendar sync, customizable workflows, and no monthly fees. Perfect for healthcare, salons, and service businesses.

Free photo management tool that runs on your server. Upload, organize, and share photos with beautiful interface, EXIF support, and complete privacy control.

Rust-built native graph-vector database combining vector similarity search and graph traversals. 10x faster development with unified architecture, sub-1ms queries.

A powerful, open-source task management platform for teams and individuals, offering customizable workflows and seamless integration.

Open-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.

All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.