Network copyleft open-source software in 2026
Like GPL, and running a changed version as a web service counts as distributing it, so its users get the source too. 308 projects here use AGPL-3.0 (308).
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1
Immich immich-app
High performance self-hosted photo and video management solution.
Complete system Production-ready You want Google Photos-style backup and search on your own server for a household or small group.
★ 118k AGPL-3.0 TypeScript Active, pushed today -
2
AppFlowy AppFlowy-IO
Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.
Complete system Usable You want a Notion alternative that keeps data local or on your own server.
★ 78k AGPL-3.0 Dart Active, pushed today -
3
Grafana grafana
The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
Complete system Production-ready You need shared dashboards and alerts across several data sources, self-hosted or on Grafana Cloud.
★ 78k AGPL-3.0 TypeScript Active, pushed today -
4
Vaultwarden dani-garcia
Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs
Complete system Production-ready You want to self-host password management for a family or small team on minimal hardware.
★ 70k AGPL-3.0 Rust Active, pushed today -
5
Plane makeplane
🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.
Complete system Production-ready A product or engineering team wants a modern Jira alternative it can self-host.
★ 62k AGPL-3.0 TypeScript Active, pushed 5 days ago -
6
Cherry Studio CherryHQ
Your AI workspace for models, agents, and productivity.
Complete system Production-ready You use several AI providers and want them, plus agents and document search, in one desktop app.
★ 53k AGPL-3.0 TypeScript Active, pushed today -
7
SiYuan siyuan-note
An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作
Complete system Production-ready You want Logseq or Roam-style block linking with richer document editing.
★ 47k AGPL-3.0 TypeScript Active, pushed today -
8
ToolJet ToolJet
Open-source foundation of ToolJet AI - the enterprise app generation platform for internal tools, dashboards, business applications, workflows and AI agents. Build visually, from a prompt, or from Claude Code, Codex and Cursor over MCP 🚀
Framework or platform Production-ready A company wants a self-hostable Retool alternative for internal apps.
★ 41k AGPL-3.0 HTML Active, pushed 4 days ago -
9
Postiz-app gitroomhq
📨 The ultimate agentic social media scheduling tool 🤖
Complete system Usable You manage several social accounts and want a Buffer alternative you can self-host or buy hosted.
★ 41k AGPL-3.0 TypeScript Active, pushed today -
10
Folo RSSNext
🧡 Folo is the AI RSS Reader
Complete system Usable You want a modern feed reader that also pulls in sites without native RSS and offers AI summaries.
★ 39k AGPL-3.0 TypeScript Active, pushed today -
11
Trilium TriliumNext
Build your personal knowledge base with Trilium Notes
Complete system Usable You want a deep, scriptable personal knowledge base and like tree-structured notes.
★ 39k AGPL-3.0 TypeScript Active, pushed today -
12
Nextcloud Server nextcloud
☁️ Nextcloud server, a safe home for all your data
Complete system Production-ready You want Google Drive or Microsoft 365-style file sharing on infrastructure you control.
★ 37k AGPL-3.0 PHP Active, pushed today -
13
Karakeep karakeep-app
A self-hostable bookmark-everything app (links, notes and images) with AI-based automatic tagging and full text search
Complete system Usable You want a self-hosted replacement for Pocket or Raindrop with automatic tagging.
★ 30k AGPL-3.0 TypeScript Active, pushed yesterday -
14
Ente ente
💚 End-to-end encrypted cloud for everything.
Complete system Production-ready You want a Google Photos alternative where the provider cannot see your photos.
★ 30k AGPL-3.0 Dart Active, pushed today -
15
Plausible Analytics plausible
Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.
Complete system Production-ready You want privacy-compliant site analytics that non-technical staff can read at a glance.
★ 30k AGPL-3.0 Elixir Active, pushed today -
16
Requarks Wiki requarks
Wiki.js | Next Generation Open Source Wiki
Complete system Production-ready A team wants a polished self-hosted wiki for internal documentation.
★ 29k AGPL-3.0 TypeScript Active, pushed today -
17
Loki grafana
Like Prometheus, but for logs.
Complete system Production-ready You already use Prometheus and Grafana and want low-cost centralised logs.
★ 29k AGPL-3.0 Go Active, pushed today -
18
TDengine taosdata
High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios
Building block Production-ready You collect data from many devices and need efficient storage with a table-per-device model.
★ 25k AGPL-3.0 C Active, pushed today -
19
Firefly III firefly-iii
Firefly III: a personal finances manager
Complete system Production-ready You want detailed control over personal finances and accept entering or importing transactions yourself.
★ 25k AGPL-3.0 PHP Active, pushed yesterday -
20
Listmonk knadh
High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.
Complete system Production-ready You send newsletters to large lists and want to pay only for SMTP or SES instead of per-subscriber pricing.
★ 24k AGPL-3.0 Go Active, pushed yesterday -
21
Skyvern Skyvern-AI
Automate browser based workflows with AI
Complete system Usable You need to automate tasks across many websites without APIs, such as portals, quotes or applications, and selector-based scripts keep breaking.
★ 23k AGPL-3.0 Python Active, pushed today -
22
SingleFile gildas-lormeau
Web Extension for saving a faithful copy of a complete web page in a single HTML file
Complete system Production-ready You need faithful offline copies of web pages for reference, evidence or archiving.
★ 23k AGPL-3.0 JavaScript Active, pushed today -
23
OpenObserve openobserve
Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.
Complete system Production-ready You want a cheaper self-hosted alternative to Elasticsearch, Splunk or Datadog for logs and traces.
★ 23k AGPL-3.0 TypeScript Active, pushed today -
24
Docmost docmost
Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.
Complete system Usable A team wants Confluence-style documentation it can self-host on Postgres.
★ 22k AGPL-3.0 TypeScript Active, pushed today -
25
Linkwarden linkwarden
⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, read, annotate, and fully preserve what matters, all in one place.
Complete system Production-ready You or a team want to collect and permanently preserve web pages together, with a hosted option if you do not want to run it.
★ 20k AGPL-3.0 TypeScript Active, pushed 8 days ago -
26
DocuSeal docusealco
Open source DocuSign alternative. Create, fill, and sign digital documents ✍️
Complete system Production-ready You want DocuSign-style e-signatures without per-envelope fees and can run a Docker container.
★ 19k AGPL-3.0 Ruby Active, pushed today -
27
openGym DuarteSantos8
Open-source gym & body-weight tracker, now in the App Store (iPhone + Apple Watch) and as an Android APK. Plan routines, log workouts, see which muscles are trained, import from Strong/Hevy/FitNotes. Self-host it or use it on the phone alone.
Complete system Experimental You want a free workout log you can self-host or keep on your phone, without a subscription app.
★ 19k AGPL-3.0 JavaScript Active, pushed today -
28
FreshRSS FreshRSS
A free, self-hostable news aggregator…
Complete system Production-ready You want your own feed server that syncs read state across phone and desktop apps, on cheap PHP hosting.
★ 16k AGPL-3.0 PHP Active, pushed today -
29
Omnivore omnivore-app
Omnivore is a complete, open source read-it-later solution for people who like reading.
Complete system Usable You want to self-host a full-featured reading app and are prepared to run its whole stack yourself.
★ 16k AGPL-3.0 TypeScript Active, pushed yesterday -
30
BentoPDF alam00000
The Privacy First PDF Toolkit
Complete system Usable Staff need everyday PDF tasks without uploading documents to online PDF services.
★ 16k AGPL-3.0 JavaScript Active, pushed today -
31
APITable apitable
🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.
Complete system Usable You want a self-hosted Airtable alternative with an API on every table and can run a Java plus Node stack.
★ 16k AGPL-3.0 TypeScript Active, pushed 2 months ago -
32
Documenso documenso
The Open Source DocuSign Alternative.
Complete system Production-ready A business wants an open DocuSign alternative with an API it can embed in its own product.
★ 16k AGPL-3.0 TypeScript Active, pushed 5 days ago -
33
ZITADEL zitadel
ZITADEL - Identity infrastructure, simplified for you.
Building block Production-ready You build a B2B SaaS that needs per-customer organisations and SSO without assembling it yourself.
★ 16k AGPL-3.0 Go Active, pushed today -
34
Snipe-IT grokability
A free open source IT asset/license management system
Complete system Production-ready Your IT team needs to know who has which laptop and licence, self-hosted or on the paid hosted plan.
★ 15k AGPL-3.0 PHP Active, pushed today -
35
Filestash mickael-kerjean
:file_folder: Universal File Management Platform (for humans and agents)
Complete system Usable You want one browser front end over several existing storage systems.
★ 15k AGPL-3.0 Go Active, pushed 5 days ago -
36
Unleash Unleash
Open-source feature management platform
Complete system Production-ready Your engineering team wants a well-established self-hosted feature flag server.
★ 14k AGPL-3.0 TypeScript Active, pushed today -
37
Concat jub0t
The truly free, open-source, local-first, cross-platform CapCut replacement. Scriptable through a JSON-RPC API & MCP.
Complete system Experimental You make short-form social video and want a free editor that AI agents can drive.
★ 14k AGPL-3.0 Rust Active, pushed today -
38
Element-web element-hq
A glossy Matrix collaboration client for the web.
Complete system Production-ready You use Matrix and want the most complete client, or want to host your own web client.
★ 14k AGPL-3.0 TypeScript Active, pushed today -
39
Pelican getpelican
Static site generator that supports Markdown and reST syntax. Powered by Python.
Developer tool Production-ready You work in Python and want a mature blog generator you can extend with Python plugins.
★ 13k AGPL-3.0 Python Active, pushed 20 days ago -
40
Rybbit rybbit-io
🐸 Rybbit - open-source and privacy-friendly alternative to Google Analytics that is 10x more intuitive.
Complete system Usable You want Plausible-style simplicity with more product-analytics features.
★ 13k AGPL-3.0 TypeScript Active, pushed yesterday -
41
Citus citusdata
Distributed PostgreSQL as an extension
Building block Production-ready A multi-tenant SaaS or analytics workload has outgrown a single Postgres server and you want to stay on Postgres.
★ 13k AGPL-3.0 C Active, pushed 4 days ago -
42
Leantime Leantime
Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.
Complete system Production-ready A small team without a dedicated PM wants a friendly self-hosted tool.
★ 12k AGPL-3.0 PHP Active, pushed 4 days ago -
43
Pyroscope grafana
Continuous Profiling Platform. Debug performance issues down to a single line of code
Complete system Production-ready You want to find performance hotspots in production code across many services.
★ 12k AGPL-3.0 Go Active, pushed today -
44
PyMuPDF pymupdf
PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.
Building block Production-ready You process PDFs in Python and need speed and breadth.
★ 11k AGPL-3.0 Python Active, pushed 4 days ago -
45
Checkmate bluewave-labs
Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Don't be shy, join here: https://discord.com/invite/NAb6H3UTjK :)
Complete system Usable You want an Uptime Kuma-style monitor that also tracks server CPU, memory and disk.
★ 11k AGPL-3.0 TypeScript Active, pushed 2 days ago -
46
Lago getlago
Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
Building block Production-ready A software or AI company bills on usage and wants an open-source alternative to Stripe Billing or Orb it can self-host.
★ 11k AGPL-3.0 Go Active, pushed 6 days ago -
47
PandaWiki chaitin
PandaWiki 是一款 AI 大模型驱动的开源知识库搭建系统，帮助你快速构建智能化的 产品文档、技术文档、FAQ、博客系统，借助大模型的力量为你提供 AI 创作、AI 问答、AI 搜索等能力。
Complete system Usable A Chinese-speaking team wants a self-hosted documentation site with an AI assistant built in.
★ 10k AGPL-3.0 TypeScript Active, pushed 13 days ago -
48
Ghostfolio ghostfolio
Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍
Complete system Production-ready You invest across several brokers and want one private portfolio view, self-hosted or as a paid hosted service.
★ 9.6k AGPL-3.0 TypeScript Active, pushed today -
49
ParadeDB paradedb
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
Building block Usable You want Elasticsearch-quality search on data already in Postgres without running a separate search cluster.
★ 9.5k AGPL-3.0 Rust Active, pushed today -
50
Openstatus openstatusHQ
Open-source status page, incident response and uptime monitoring
Complete system Usable You need a public status page plus synthetic uptime checks and prefer an open-source vendor.
★ 9.2k AGPL-3.0 TypeScript Active, pushed yesterday -
51
TeslaMate teslamate-org
A self-hosted data logger for your Tesla 🚘 [main maintainer=@JakobLichterfeld]
Complete system Production-ready You own a Tesla and want detailed history of trips, charging costs and battery health on your own server.
★ 9.2k AGPL-3.0 Elixir Active, pushed today -
52
Hanko teamhanko
Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.
Complete system Usable You want passkey-first login with drop-in UI components and the option to self-host.
★ 9.1k AGPL-3.0 Go Active, pushed today -
53
HeyForm heyform
Open-Source Form Builder
Complete system Usable You want Typeform-style forms without per-response pricing.
★ 9.1k AGPL-3.0 TypeScript Active, pushed today -
54
Solidtime solidtime-io
Modern open-source time-tracking app
Complete system Usable An agency wants a modern self-hosted Toggl or Clockify replacement.
★ 9k AGPL-3.0 PHP Active, pushed 7 days ago -
55
Idurar-erp-crm idurar
Free Open Source ERP CRM Software Accounting Invoicing | Node.Js React
Complete system Usable A developer wants a small Node and React invoicing app to adapt, rather than a full ERP.
★ 8.9k AGPL-3.0 JavaScript Active, pushed 3 months ago -
56
ownCloud Core owncloud
:cloud: ownCloud web server core (Files, DAV, etc.)
Complete system Production-ready You already run ownCloud Classic and need to keep it patched; new deployments should look at ownCloud Infinite Scale or Nextcloud instead.
★ 8.8k AGPL-3.0 PHP Active, pushed today -
57
Ever Gauzy ever-co
Ever® Gauzy™ - Open Business Management Platform (ERP/CRM/HRM/ATS/PM) - https://gauzy.co
Complete system Usable An agency or distributed team wants self-hosted time tracking and staff management tied to invoicing.
★ 8.6k AGPL-3.0 TypeScript Active, pushed 7 days ago -
58
RikkaHub rikkahub
RikkaHub is an Android APP that supports for multiple LLM providers.
Complete system Usable You want one Android app for chatting with several AI providers using your own API keys.
★ 8.6k AGPL-3.0 Kotlin Active, pushed today -
59
Nb xwmx
CLI and local web plain text note‑taking, bookmarking, and archiving with linking, tagging, filtering, search, Git versioning & syncing, Pandoc conversion, + more, in a single portable script.
Developer tool Production-ready You live in the terminal and want notes and bookmarks in plain files versioned with Git.
★ 8.5k AGPL-3.0 Shell Active, pushed yesterday -
60
Openedx-platform openedx
The Open edX LMS & Studio, powering education sites around the world!
Complete system Production-ready You run MOOCs or large-scale online learning and have engineers to operate it.
★ 8.2k AGPL-3.0 Python Active, pushed today
Other license families
This is a plain summary, not legal advice. The license text in each repository is what binds.