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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr FlowConductor
ArcCapCutGrok BotSuperhumanAirtableMuseRailway

Featured

Nuphos

Sponsored

Alternative toConductor

Agent workspace for teams running Claude Code or Codex

  • 372 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Buzz

Alternative toSlack

Self-hosted team chat where people and AI agents work together

  • 36,728 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

SnitchFeed

Sponsored

Live monitoring on LinkedIn, X, Reddit & more. Agentic social listening for startups.

Marketing & Growth

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 209,549 GitHub stars

CleanYourTV

Alternative toATV Launcher Pro

Debloat any Android or Google TV over Wi-Fi and get an Apple TV-style home.

  • 53,395 GitHub stars
  • MIT LicenseLicence MIT License

Windshift

Sponsored

Alternative toJira

Self-hosted work management for teams leaving Jira

  • 404 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

It's a Plan

Sponsored

Alternative toLinear

Self-hosted issue tracker where people and AI agents share one board.

  • 2,170 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 108,787 GitHub stars
  • MITLicence MIT
  • #AI Agents

rakazo

Sponsored

Alternative toGrok Bot

AI teammates you own: your keys, your model, your machine.

  • 7,028 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 62,832 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 111,113 GitHub stars
  • MITLicence MIT
  • #AI Agents

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,915 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

AI-powered reverse engineering for binaries, apps, and assemblies.

  • 431,018 GitHub stars
  • MITLicence MIT

Spotifast

Alternative toSpotify Premium

Spotify, native and fast, for Linux, macOS, and Windows.

  • 9,822 GitHub stars
  • MITLicence MIT
  • #macOS

Hermes Agent

Alternative toGrok Bot

Self-hosted AI agent: persistent memory, multi-channel chat, model choice.

  • 260,560 GitHub stars
  • MITLicence MIT
  • #AI Agents

OpenClaw

Alternative toMuse

Self-hosted AI assistant for WhatsApp, Telegram, and more

  • 393,917 GitHub stars
  • MITLicence MIT
  • #AI Agents

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Trending open source projects this week

The projects gaining the most GitHub stars in the last seven days.

As of 7 Nov 2026

  1. 0101+25,670 stars this week

    REA (Reverse Engineer Anything)

    Featured

    AI-powered reverse engineering for binaries, apps, and assemblies.

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +25,670 stars this week438,353 GitHub stars
  2. 0202+17,083 stars this week

    T3 Code

    Control your coding agents from one interface

    Alternative toConductor

    Alternative toConductor

    +17,083 stars this week49,949 GitHub stars
  3. 0303+13,695 stars this week

    Agent Desktop

    Desktop computer use for AI agents via OS accessibility tree

    InAI & Machine Learning

    InAI & Machine Learning

    +13,695 stars this week18,201 GitHub stars
  4. 0404+9,985 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +9,985 stars this week64,223 GitHub stars
  5. 0505+9,270 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +9,270 stars this week316,831 GitHub stars
  6. 0606+7,625 stars this week

    claude-mem

    Stop re-explaining your codebase to every new agent session

    Alternative toContextPool

    Alternative toContextPool

    +7,625 stars this week114,067 GitHub stars
  7. 0707+7,126 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +7,126 stars this week102,998 GitHub stars
  8. 0808+6,739 stars this week

    OpenMausBot

    Your AI agent team in a chat app, local-first and Apache-2.0 licensed

    Alternative toGrok Bot

    Alternative toGrok Bot

    +6,739 stars this week15,520 GitHub stars
  9. 0909+6,718 stars this week

    Orca

    The ultimate IDE for coding agents

    Alternative toConductor

    Alternative toConductor

    +6,718 stars this week117,916 GitHub stars
  10. 1010+6,620 stars this week

    Hallmark

    Design skill for coding agents with 48 themes, real photos and lint.

    InDesign & Creative

    InDesign & Creative

    +6,620 stars this week49,690 GitHub stars

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Open source alternative guides

Long, ranked guides to open source software alternatives, each reviewed and dated by our editors.

Browse all 14 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode224,587 GitHub stars
  2. 2oh-my-pi37,794 GitHub stars
  3. 3kilocode27,863 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift404 GitHub stars
  2. 2OpenProject16,986 GitHub stars
  3. 3Plane61,974 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy78,217 GitHub stars
  2. 2AFFiNE74,216 GitHub stars
  3. 3Outline41,170 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,524 GitHub stars
  2. 2Rocket.Chat46,371 GitHub stars
  3. 3Zulip26,171 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,548 GitHub stars
  2. 2OpenProject16,986 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy37,556 GitHub stars
  2. 2VoiceInk7,023 GitHub stars
  3. 3FluidVoice12,818 GitHub stars
Read the Wispr Flow guide →

Conductor open source alternatives

12 ranked · reviewed 5 Nov
  1. 1Orca115,397 GitHub stars
  2. 2T3 Code46,806 GitHub stars
  3. 3Paseo23,074 GitHub stars
Read the Conductor guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,562 GitHub stars
  2. 2Floorp8,474 GitHub stars
  3. 3Brave3,751 GitHub stars
Read the Arc guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat14,778 GitHub stars
  2. 2OpenCut97,106 GitHub stars
  3. 3Shotcut15,607 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo7,028 GitHub stars
  2. 2OpenMausBot12,186 GitHub stars
  3. 3OpenBot10,318 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,915 GitHub stars
  2. 2Macro6,143 GitHub stars
  3. 3Mailspring17,995 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,658 GitHub stars
  2. 2Budibase 28,382 GitHub stars
  3. 3ToolJet41,196 GitHub stars
Read the Airtable guide →

Popular and new self-hosted open source projects

The most starred open source alternatives to paid software, then the newest additions. Each one is free to install or self-host.

Browse recently added projects

Orca

Alternative toConductor

The ultimate IDE for coding agents

  • 115,397 GitHub stars
  • MITLicence MIT

Supabase

Alternative toFirebase

Open source Firebase: Postgres database, auth, and file storage

  • 114,526 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #BaaS

claude-mem

Alternative toContextPool

Stop re-explaining your codebase to every new agent session

  • 113,504 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Agent Skills

InAI & Machine Learning

Structured workflows for AI coding agents.

  • 113,289 GitHub stars
  • MITLicence MIT

Fastapi

Alternative toAWS API Gateway

High-performance Python API framework with auto OpenAPI documentation

  • 104,531 GitHub stars
  • MITLicence MIT

Neovim

Alternative toSublime Text

Hyperextensible Vim-based editor with Lua plugin support

  • 103,363 GitHub stars
  • Apache-2.0Licence Apache-2.0

RuView

Alternative toAWS IoT

Intelligent AI agents for real-world applications

  • 102,355 GitHub stars
  • MITLicence MIT
  • #AI Agents

Angular

InWeb Development

TypeScript web framework with signals, SSR, and first-party modules

  • 101,361 GitHub stars
  • MITLicence MIT

VoiceStudio

Alternative toElevenLabs

Voice cloning, dubbing, and transcription that runs fully offline

  • 101,036 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

material-ui

Alternative toKendoReact

Open source React components for Google's Material Design

  • 99,301 GitHub stars
  • MITLicence MIT

LocalSend

Alternative toSend Anywhere

Free cross-platform file sharing over local network, no cloud

  • 97,317 GitHub stars
  • Apache-2.0Licence Apache-2.0

OpenCut

Alternative toCapCut

Open source video editing in your browser, free forever

  • 97,106 GitHub stars
  • MITLicence MIT
  • #Video

Vllm

Alternative toTogether AI

High-throughput LLM inference server with OpenAI-compatible API

  • 96,380 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

manim

Alternative toAnimo

Programmatic animation engine for explanatory math videos

  • 95,974 GitHub stars
  • MITLicence MIT
  • #Video

CrewCode

NEW

Alternative toConductor

Multi-agent orchestrator for parallel AI coding

  • 19 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Nvm

InDeveloper Tools

Switch Node.js versions per shell with a single bash command

  • 95,765 GitHub stars
  • MITLicence MIT
  • #CLI

Stirling PDF

Alternative toAdobe Acrobat

Self-hosted PDF editor with 50+ tools for every PDF task

  • 95,742 GitHub stars
  • MITLicence MIT

Rataflow

NEW

InDeveloper Tools

Node-based flow graph library for the terminal, in Rust.

  • 195 GitHub stars
  • MITLicence MIT

ragflow

Alternative toVectara

Open-source RAG engine with document parsing and agent orchestration

  • 93,515 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Uptime Kuma

Alternative toUptimeRobot

Track uptime for websites and APIs with 90+ alert integrations

  • 93,268 GitHub stars
  • MITLicence MIT
  • #Monitoring

Rails

NEW

InWeb Development

Full-stack Ruby framework with built-in ORM, mailer, and WebSockets.

  • 59,026 GitHub stars
  • MITLicence MIT

Zed

Alternative toCursor

High-performance open source code editor with built-in AI

  • 92,741 GitHub stars
  • Apache-2.0Licence Apache-2.0

OpenHands

Alternative toDevin AI

Delegate scoped coding tasks in isolated, reviewable agent sessions

  • 92,676 GitHub stars
  • MITLicence MIT
  • #AI Agents

Stats

NEW

Alternative toiStat Menus

Free macOS menu bar system monitor, MIT-licensed.

  • 43,201 GitHub stars
  • MITLicence MIT
  • #macOS

PaddleOCR

Alternative toGoogle Document AI

Self-hosted OCR toolkit turning PDFs and images into LLM-ready data

  • 92,046 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Home Assistant

Alternative toSamsung SmartThings

Open source home automation with local control priority

  • 91,973 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #IoT

Gearslip

NEW

InBusiness & Productivity

In-car interface for Android phones that need no Google services.

  • 311 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Mapping

servers

Alternative toComposio

Open reference servers for connecting AI to external tools and data

  • 91,827 GitHub stars
  • CustomLicence Apache-2.0 and MIT (dual, transitioning)
  • #AI Agents

uv

Alternative toAnaconda

Python package manager written in Rust, 10-100x faster than pip

  • 91,646 GitHub stars
  • Apache-2.0Licence Apache-2.0

Adaptive-Theme

NEW

InDesign & Creative

Sensor-driven auto dark mode for Android, with wallpaper sync

  • 314 GitHub stars
  • GPL-3.0Licence GPL-3.0

Understand-Anything

Alternative toSourcegraph

Interactive knowledge graphs for codebases

  • 90,639 GitHub stars
  • MITLicence MIT

Worldmonitor

Alternative toSeerist

Self-hosted geopolitical risk map: 58 layer types, 469 OSINT feeds.

  • 90,180 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

BUI

NEW

InDeveloper Tools

Blender's widget system for Python, Rust, JavaScript and C apps

  • 1,385 GitHub stars
  • GPL-3.0Licence GPL-3.0

Syncthing

Alternative toResilio Connect

Decentralized continuous file sync with no central server

  • 90,106 GitHub stars
  • MPL-2.0Licence MPL-2.0

crawl4ai

Alternative toFirecrawl

LLM-ready web crawling without API keys or rate limits

  • 86,955 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Scraping

Ruff

NEW

InDeveloper Tools

Python linter and formatter, 10-100x faster than Flake8

  • 50,696 GitHub stars
  • MITLicence MIT

rtk

Alternative toTokenade

CLI proxy that removes 89% of agent context noise on average

  • 85,578 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #CLI

OmniRoute

Alternative toOpenRouter

352-provider AI gateway with automatic fallback and token compression

  • 85,118 GitHub stars
  • MITLicence MIT
  • #LLM

Nushell

NEW

InDeveloper Tools

Cross-platform shell with typed data pipelines, no string parsing.

  • 40,985 GitHub stars
  • MITLicence MIT
  • #CLI

deer-flow

Alternative toManus

Build super agents with DeerFlow's powerful framework

  • 84,990 GitHub stars
  • MITLicence MIT
  • #LLM
Browse all 1,164 open source alternatives

Open source software by category

21 categories of self-hosted open source software, including Developer Tools, AI and Machine Learning, and Business and Productivity.

Browse all 21 categories
599

Developer Tools

REA (Reverse Engineer Anything), Skills for Real Engineers, superpowers505

AI & Machine Learning

freeCodeCamp, REA (Reverse Engineer Anything), OpenClaw281

Business & Productivity

OpenClaw, Excalidraw, RustDesk211

Web Development

Skills for Real Engineers, freeCodeCamp, superpowers174

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma156

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw147

IT Management

Immich, RustDesk, Stirling PDF129

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown128

Cloud & Hosting

dify, RuView, rtk124

Product & Project Management

agency-agents, freeCodeCamp, Gstack121

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata120

Design & Creative

ComfyUI, Excalidraw, Godot Engine118

Data & Analytics

Firecrawl, ragflow, Worldmonitor90

APIs & Integration

n8n, Firecrawl, iptv83

Backend Development

graphify, dify, Rust76

Databases & Storage

Supabase, Immich, Redis71

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish46

Web & App Development

Flutter, Rust, Angular40

No-Code & Low-Code

Langflow, n8n, dify38

Finance & Fintech

TradingAgents, MiroFish, OpenBB32

Customer Support

Twenty, agency-agents, iptv

Articles on open source software

Browse the blog
17 Oct 2026

Best Open Source AI Video Generators in 2026: 8 Compared

I compared 8 open source AI video generators, from raw model weights in ComfyUI and Wan2.2 to finished-short pipelines in MoneyPrinterTurbo.

15 May 2026

The Best Open Source AI Tools You Can Run on Your Own Hardware

Stop paying per token. These open source AI models and tools run entirely on your own hardware: no API keys, no data leaving your server, no monthly bills that scale with usage.

15 May 2026

Best Open Source Git Hosting Platforms for Self-Hosted Teams

GitHub lock-in is real. These open source git hosting platforms let you self-host repositories, CI/CD, and code review on your own server.

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Find open source alternatives to paid software

/
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • Arc to Zen Browser
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • Railway to Coolify
  • GitHub Copilot to Cline
  • Datadog to Netdata
  • Confluence to Wiki.js
  • Microsoft Teams to Rocket.Chat
  • Firebase to Supabase
  • Pinecone to Qdrant
  • Zapier to n8n
  • 1Password to KeePassXC
  • Devin AI to OpenHands
  • Asana to Leantime
  • Contentful to Strapi
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • Arc to Zen Browser
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • Railway to Coolify
  • GitHub Copilot to Cline
  • Datadog to Netdata
  • Confluence to Wiki.js
  • Microsoft Teams to Rocket.Chat
  • Firebase to Supabase
  • Pinecone to Qdrant
  • Zapier to n8n
  • 1Password to KeePassXC
  • Devin AI to OpenHands
  • Asana to Leantime
  • Contentful to Strapi