Open Source Alternatives

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

The modern link attribution platform. Loved by world-class marketing teams like Framer, Perplexity, Superhuman, Twilio, Buffer and more.

Firefly III: a personal finances manager

AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Agents • MCPs for AI Agents

High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.

Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualise, and analyse data from websites & apps. Star us on GitHub ⭐️ – Pull Requests welcome!

Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.

A set of over 6100 free MIT-licensed high-quality SVG icons for you to use in your web projects.

Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, GitLab, GitHub and Open Project.

The Open Source kanban, built with Meteor. GitHub issues/PRs are only for FLOSS Developers, not for support, support is at https://wekan.fi/commercial-support/ . New English strings for new features at imports/i18n/data/en.i18n.json . Non-English translations at https://app.transifex.com/wekan/wekan only.

A simpler site generator. Transforms a directory of templates (of varying types) into HTML.

Radix Primitives is an open-source UI component library for building high-quality, accessible design systems and web apps. Maintained by @workos.

Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.

🧠 Leon is your open-source personal assistant.

A fast static site generator in a single binary with everything built-in. https://www.getzola.org

QuestDB is a high performance, open-source, time-series database

Apprise - Push Notifications that work with just about every platform!

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail

Luckysheet upgraded to Univer

Simple forum software for building great communities.

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Scalable PaaS (automated Docker+nginx) - aka Heroku on Steroids

FauxPilot - an open-source alternative to GitHub Copilot server

The Open Source DocuSign Alternative.

A fully open source & end-to-end encrypted note taking alternative to Evernote.

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

The open source Zapier alternative. Build workflow automation without spending time and money.

Open-source feature management platform

Bitwarden client apps (web, browser extension, desktop, and cli).

A glossy Matrix collaboration client for the web.

Open Source Qualtrics Alternative

PLANKA is the Kanban-style project mastering tool for everyone

Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool.

Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.

Alokai is a Frontend as a Service solution that simplifies composable commerce. It connects all the technologies needed to build and deploy fast & scalable ecommerce frontends. It guides merchants to deliver exceptional customer experiences quickly and easily.

Open source annotation tool for machine learning practitioners.

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

A source-available invoice, quote, project and time-tracking app built with Laravel

Kanban project management software

ChatRWKV is like ChatGPT but powered by RWKV (100% RNN) language model, and open source.

Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

The Open Source Firebase Alternative with GraphQL.

Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.

PrestaShop is the universal open-source software platform to build your e-commerce solution.

Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍

Modern open-source time-tracking app