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All TasksTop 251 Alternative OpenSource for Indie/Saas in 2025
n8n
Development & ITFree and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.
zed
Development & ITCode at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
posthog
Website analytics🦔 PostHog provides open-source product analytics, session recording, feature flagging and A/B testing that you can self-host.
Rustdesk
Remote collaborationAn open-source remote desktop application designed for self-hosting, as an alternative to TeamViewer.
Strapi
Development & ITStrapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable and developer-first.
keycloak
Customer onboardingOpen Source Identity and Access Management For Modern Applications and Services
Plausible Analytics
Website analyticsSimple, open source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics.
logseq
Project managementA privacy-first, open-source platform for knowledge management and collaboration.
joplin
Project managementJoplin - the secure note taking and to-do app with synchronisation capabilities for Windows, macOS, Linux, Android and iOS.
Timescaledb
Development & ITAn open-source time-series SQL database optimized for fast ingest and complex queries. Packaged as a PostgreSQL extension.
Coolify
Build it yourselfSelf-hosting with superpowers. An open-source & self-hostable Heroku / Netlify / Vercel alternative.
Appsmith
Development & ITPlatform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.
Matomo
Website analyticsEmpowering People Ethically with the leading open source alternative to Google Analytics that gives you full control over your data.
temporal
Development & ITTemporal is a durable execution platform that enables developers to build scalable applications without sacrificing productivity or reliability.
prefect
Development & ITPrefect is a workflow orchestration framework for building resilient data pipelines in Python.
payload
Development & ITPayload is the open-source, fullstack Next.js framework, giving you instant backend superpowers.
Fathom Lite
Website analyticsFathom Lite. Simple, privacy-focused website analytics. Built with Golang & Preact.
hoppscotch
Development & ITOpen source API development ecosystem - https - //hoppscotch.io (open-source alternative to Postman, Insomnia)
directus
Development & ITThe Modern Data Stack 🐰 — Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.
AFFiNE
Project managementAFFiNE is a next-gen knowledge base that brings planning, sorting and creating all together.
outline
Project managementThe fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
notesnook
ProductivityA fully open source & end-to-end encrypted note taking alternative to Evernote.
chatwoot
Customer supportOpen-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
NetData
Development toolsThe open-source observability, monitoring and troubleshooting platform everyone needs
plane
Project managementOpen Source JIRA, Linear, Monday, and Asana Alternative. Plane helps you track your issues, epics, and product roadmaps in the simplest way possible.
