Tools listed by the IndieStack community. Not affiliated with or endorsed by the tool creators. If you built one of these tools, claim your listing at indiestack.fly.dev.
Self-hosted appointment scheduling. Simple and free.
Open-source to-do app and task manager.
Privacy-focused open-source product analytics.
Open-source 3D creation suite.
In-memory data store for caching, queues, and real-time apps.
Powerful open-source wiki with a modern interface.
Next-gen Node.js and TypeScript ORM with auto-generated types.
Reliable, high-performance TCP/HTTP load balancer.
Error tracking and debugging from your AI assistant
AI-first code editor built on VS Code
Open-source AI code assistant for any IDE
AI coding assistant with full codebase context
Unified tool integrations for AI agents and MCP
Open-source project management. Jira alternative.
All-in-one project management with time tracking. Open source.
Open-source Trello/Notion/Asana alternative by Mattermost.
High-performance S3-compatible object storage. Open source.
Self-hosted file sync, share, and collaboration platform.
Open-source Calendly alternative. Self-hostable.
Open-source survey platform. Typeform alternative.
Passkey-first authentication. Open source.
Open-source experience management: CRM, marketing, support.
Open-source API development ecosystem. Postman alternative.
API design, debug, and test. Open-source core.
Privacy-focused web analytics. Google Analytics alternative.
Decentralized social network. Open source. Self-hostable.
Decentralized photo sharing. Instagram alternative. Open source.
Open-source design and prototyping. Figma alternative.
Virtual whiteboard for hand-drawn diagrams. Open source.
Open-source conversational form builder. Typeform alternative.
Open-source form builder with beautiful UI.
Open-source Typeform alternative. Self-hosted forms.
Open-source JavaScript survey and form library.
Powerful form builder with integrations and free tier.
Open-source form builder. Beautiful Typeform alternative.
Web-based file manager for S3, FTP, SFTP, and more.
Fast distributed file system and object storage.
Production storage orchestration for Kubernetes via Ceph.
Document management with OCR. Open source.
Self-hosted file sync and share platform.
High-performance open-source file sync and share.
Open-source agile project management platform.
Open-source project management with Gantt charts.
Open-source project management for non-project-managers.
Minimalistic Kanban board. Open source.
Open-source Doodle alternative for scheduling meetings.
Free scheduling tool with team features.
Simple scheduling tool. One-time payment by AppSumo.
Online scheduling for teams.
100% free live chat software.
Open-source helpdesk. Self-hosted customer support.
Open-source web-based ticketing system.
Decentralized social platform on the fediverse. Open source.
Open-source social media scheduling tool.
Self-hosted social media management.
Federated blogging engine with ActivityPub.
Self-hosted Bitcoin payment processor.
Open-source subscription billing platform.
Open-source payments switch for multiple processors.
Open-source funding platform for developers.
Privacy-respecting metasearch engine. Self-hosted.
Open-source search engine position tracking.
Open-source product analytics suite.
Open-source API client. Stores collections in Git.
Open-source interactive API documentation.
API design-first platform with visual editor.
gRPC and REST API client for developers.
Open-source workflow automation. Zapier alternative.
Open-source developer platform for scripts and workflows.
Build agents that automate tasks online. Open source.
Collect and display video and text testimonials.
User feedback and feature request boards.
All-in-one feedback tool with changelog and roadmap.
Open-source CRM. Enterprise-ready Salesforce alternative.
Open-source personal CRM for relationships.
Open-source Laravel CRM for SMBs.
Open-source identity management and auth.
Open-source identity and access management.
Free design tool with built-in assets by Icons8.
SDK for building design editors like Canva.
Open-source metering and usage-based billing.
Open-source invoicing app for freelancers.
Open-source self-hosted newsletter and mailing list manager.
Open-source marketing automation platform.
Privacy-friendly web analytics. No cookies.
Open-source analytics for mobile and desktop apps.
Web framework for content-driven websites.
Build documentation sites with React. Open source by Meta.
Open-source automated service health dashboard.
Open-source uptime monitor powered by GitHub Actions.
Self-hosted Git service. Lightweight and fast.
Open-source deployment platform. Self-hosted PaaS.
Open-source ChatGPT alternative that runs locally.
Run LLMs locally with a beautiful desktop UI.
Modern Redis replacement. 25x faster, multi-threaded.
Multi-threaded Redis fork with active replication.
Distributed memory caching system. Simple and battle-tested.
Fast, secure image processing server. Resize on the fly.
Smart image cropping and resizing service. Open source.
Browser-based image compression by Google Chrome Labs.
Log aggregation system by Grafana Labs. Like Prometheus for logs.
High-performance observability data pipeline. By Datadog.
Open-source password manager for individuals and teams.
Lightweight Bitwarden-compatible server. Self-host on minimal hardware.
Open-source password manager built for teams.
Open-source continuous localization platform.
Developer-friendly localization platform. Open source.
Localization management platform for agile teams.
Modern, fast VPN tunnel. Simple and cryptographically sound.
Zero-config VPN built on WireGuard. Mesh networking made easy.
Open-source zero-trust networking. WireGuard-based.
Simple, self-hosted wiki platform. Organize content by books.
Beautiful wiki and knowledge base for teams. Open source.
Team knowledge base with AI-powered search and organization.
Open-source feature flagging and A/B testing platform.
Open-source feature flags, remote config, and A/B testing.
Fast, secure, efficient backup program. Open source.
Free backup software with encryption and cloud storage support.
Deduplicating archiver with compression and encryption.
Lightweight, privacy-first comment system. Open source.
Comments powered by GitHub Discussions. Free and open source.
Lightweight comments widget built on GitHub Issues.
Open-source headless commerce engine. Shopify alternative.
GraphQL-first headless ecommerce platform. Open source.
Open-source Laravel ecommerce framework.
Open-source error tracking. Simple Sentry alternative.
Full-stack monitoring: errors, logs, traces, and session replay.
Civilized discussion platform. Modern forum software.
Simple, beautiful forum software. Lightweight and fast.
Modern forum platform built on Node.js. Real-time features.
Multi-channel push notification service. Free tier available.
Open-source notification infrastructure for developers.
Simple HTTP-based pub-sub push notifications. Open source.
Premium message queue for Node.js based on Redis.
Durable execution platform for reliable distributed systems.
Reliable message broker for distributed systems. Battle-tested.
Open-source WebSocket server. Pusher-compatible.
Scalable real-time messaging server. Language-agnostic.
Real-time API protocol built on Server-Sent Events. Open source.
Powerful interactive charting and visualization library.
Business intelligence and analytics with no-code dashboards.
Simple, container-native CI/CD engine. Drone fork.
Container-native CI/CD platform. Pipeline as code.
Programmable CI/CD engine that runs pipelines in containers.
Open-source feature flag management for enterprise.
Open standard for feature flag management. Vendor-neutral.
Open-source programmable telecom. Twilio alternative.
Open-source status page system. Beautiful and functional.
Fast, beautiful status page with unlimited subscribers.
Static status page generated with Hugo. Super fast and free.
Open-source headless CMS. Node.js, fully customizable.
Open-source data platform. Instant REST and GraphQL APIs.
Content management for your codebase. Git-based CMS.
Fastest static site generator. Written in Go.
Simpler static site generator. Zero-config, flexible templates.
Self-hosted PDF manipulation tool. All-in-one PDF toolkit.
Docker-powered stateless API for PDF generation.
Decentralized video hosting. YouTube alternative. Open source.
Free, open-source video recording and live streaming.
Open-source map rendering library. Mapbox GL JS fork.
Beautiful documentation that converts. AI-powered.
Modern documentation platform for technical teams.
Lightweight TypeScript ORM with SQL-like query builder.
Python SQL toolkit and ORM. The gold standard for Python database access.
Cloud-native reverse proxy and load balancer. Auto-discovers services.
Web server with automatic HTTPS and reverse proxy built in.
Open-source web crawling framework for Python.
Browser automation and testing by Microsoft. Cross-browser.
Web scraping and browser automation library for Node.js.
Docker-based job scheduler. Run cron jobs in containers.
Cron job monitoring. Get alerts when your cron jobs fail.
Distributed job scheduling system. Fault-tolerant cron.
Open-source HR management software for growing teams.
Open-source ERP with full HR and payroll modules.
Port of OpenAI Whisper for local speech-to-text. Runs on CPU.
Offline speech recognition toolkit. Works without internet.
Node-based Stable Diffusion UI for advanced workflows.
Simplified Stable Diffusion focused on prompting, not tweaking.
Open-source embedding database for AI applications.
Open-source vector database built for AI applications.
Open-source vector search engine with built-in ML modules.
Open-source vector database built for scalable AI applications.
Open-source low-code platform for building internal tools.
Open-source low-code platform for business applications.
Open-source low-code platform for building internal tools fast.
Open-source Airtable alternative. Turn any database into a spreadsheet.
Open-source data exploration and visualization platform.
Open-source dashboards for your SQL queries.
Open-source BI tool for dbt users. Metrics layer included.
Open-source data integration and ELT platform.
Open-source ELT for the DataOps era. Singer-based.
Workflow orchestration platform for data pipelines.
Data orchestration platform with built-in observability.
Full-stack TypeScript starter with Next.js, tRPC, and Prisma.
Full-stack web framework with a single config file.
Next.js boilerplate for shipping SaaS products fast.
Full-stack React framework built on Next.js.
Open-source API gateway with analytics and developer portal.
Lightweight Kubernetes by Rancher. Perfect for edge and IoT.
Container management UI for Docker and Kubernetes.
Complete Kubernetes management platform. Open source.
Serverless functions made simple for Docker and Kubernetes.
Open-source Airtable alternative. No-code database platform.
Open-source modern spreadsheet with Python formulas.
Open-source accounting software for small businesses.
Open-source ERP with accounting, inventory, and HR modules.
Open-source invoicing application for freelancers.
Universal icon framework with 200,000+ open-source icons.
Beautiful hand-crafted SVG icons by the Tailwind CSS team.
Self-host open-source fonts via npm packages.
Color palette generator for designers and developers.
Rapid wireframing tool for quick UI mockups.
Design and publish websites visually. No code required.
Open-source chatbot platform with visual flow builder.
Self-hosted AI chat interface for local and cloud LLMs.
Open-source ChatGPT clone with multi-provider support.
Open-source observability and data visualization platform.
Collaborative data visualization and notebooks platform.
Free, no-nonsense, super-fast blogging platform
Independent microblogging platform with ActivityPub support
Naked blogging platform for minimalists
Community-driven open-source game engine for 2D and 3D
Open marketplace for independent digital creators
Fast, free HTML5 game framework for browser games
Free 2D game engine using Lua for rapid development
Free coding curriculum with certifications
Open-source learning management system for 300M+ learners
Creative coding library for artists, designers, and beginners