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Handpicked Open Source Alternatives to Paid Softwares

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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr FlowArc
CapCutGrok BotSuperhumanAirtableMuseRailway

Featured

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 60,408 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 208,635 GitHub stars

SnitchFeed

Sponsored

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

Marketing & Growth

OpenClaw

Alternative toMuse

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

  • 393,134 GitHub stars
  • MITLicence MIT
  • #AI Agents

Omnara

Sponsored

Alternative toCClaude Managed Agents

Open-source agent deployment API. Self-host or use Omnara Cloud.

  • 3,296 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Buzz

Alternative toSlack

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

  • 36,478 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

Spotifast

Alternative toSpotify Premium

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

  • 9,344 GitHub stars
  • MITLicence MIT
  • #macOS

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 107,598 GitHub stars
  • MITLicence MIT
  • #AI Agents

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

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

  • 390,785 GitHub stars
  • MITLicence MIT

Hermes Agent

Alternative toGrok Bot

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

  • 257,359 GitHub stars
  • MITLicence MIT
  • #AI Agents

CleanYourTV

Alternative toATV Launcher Pro

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

  • 43,973 GitHub stars
  • MIT LicenseLicence MIT License

rakazo

Sponsored

Alternative toGrok Bot

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

  • 5,914 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,826 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 103,240 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 29 Oct 2026

  1. 0101+41,654 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +41,654 stars this week403,298 GitHub stars
  2. 0202+22,396 stars this week

    CleanYourTV

    Featured

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

    Alternative toATV Launcher Pro

    Alternative toATV Launcher Pro

    +22,396 stars this week44,027 GitHub stars
  3. 0303+8,612 stars this week

    Hallmark

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

    InDesign & Creative

    InDesign & Creative

    +8,612 stars this week40,878 GitHub stars
  4. 0404+13,953 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +13,953 stars this week51,813 GitHub stars
  5. 0505+12,146 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +12,146 stars this week93,163 GitHub stars
  6. 0606+7,173 stars this week

    orca

    The ultimate IDE for coding agents

    Alternative toConductor

    Alternative toConductor

    +7,173 stars this week109,220 GitHub stars
  7. 0707+4,029 stars this week

    Cindy

    Local-first AI agent desktop app for Claude Code, Codex, and Pi.

    Alternative toCursor

    Alternative toCursor

    +4,029 stars this week8,192 GitHub stars
  8. 0808+6,840 stars this week

    Ponytail

    The lazy senior dev for your AI agent

    InAI & Machine Learning

    InAI & Machine Learning

    +6,840 stars this week179,302 GitHub stars
  9. 0909+6,166 stars this week

    DeepTutor

    Agentic framework for lifelong personalized tutoring

    Alternative toKhanmigo

    Alternative toKhanmigo

    +6,166 stars this week48,262 GitHub stars
  10. 1010+3,347 stars this week

    Claude Seo

    SEO audit plugin for Claude Code, 26 skills and 19 agents

    InMarketing & Growth

    InMarketing & Growth

    +3,347 stars this week23,455 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 13 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode221,882 GitHub stars
  2. 2oh-my-pi36,686 GitHub stars
  3. 3kilocode27,761 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift379 GitHub stars
  2. 2OpenProject16,692 GitHub stars
  3. 3Plane61,474 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy77,793 GitHub stars
  2. 2AFFiNE73,862 GitHub stars
  3. 3Outline41,073 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,437 GitHub stars
  2. 2Rocket.Chat46,331 GitHub stars
  3. 3Zulip26,116 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,545 GitHub stars
  2. 2OpenProject16,692 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy34,783 GitHub stars
  2. 2VoiceInk6,932 GitHub stars
  3. 3FluidVoice12,489 GitHub stars
Read the Wispr Flow guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,307 GitHub stars
  2. 2Floorp8,461 GitHub stars
  3. 3Brave3,723 GitHub stars
Read the Arc guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat12,399 GitHub stars
  2. 2OpenCut96,188 GitHub stars
  3. 3Shotcut15,502 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo5,914 GitHub stars
  2. 2OpenMausBot5,675 GitHub stars
  3. 3OpenBot7,485 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,826 GitHub stars
  2. 2Macro4,945 GitHub stars
  3. 3Mailspring17,945 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,652 GitHub stars
  2. 2Budibase 28,356 GitHub stars
  3. 3ToolJet41,129 GitHub stars
Read the Airtable guide →

Muse open source alternatives

5 ranked · reviewed 18 Oct
  1. 1OpenClaw393,134 GitHub stars
  2. 2Hermes Agent257,359 GitHub stars
  3. 3rakazo5,914 GitHub stars
Read the Muse 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

Supabase

Alternative toFirebase

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

  • 113,989 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #BaaS

Agent Skills

InAI & Machine Learning

Structured workflows for AI coding agents.

  • 110,740 GitHub stars
  • MITLicence MIT

orca

Alternative toConductor

The ultimate IDE for coding agents

  • 106,814 GitHub stars
  • MITLicence MIT

Fastapi

Alternative toAWS API Gateway

High-performance Python API framework with auto OpenAPI documentation

  • 104,262 GitHub stars
  • MITLicence MIT

claude-mem

Alternative toContextPool

Stop re-explaining your codebase to every new agent session

  • 103,679 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Neovim

Alternative toSublime Text

Hyperextensible Vim-based editor with Lua plugin support

  • 103,176 GitHub stars
  • Apache-2.0Licence Apache-2.0

RuView

Alternative toAWS IoT

Intelligent AI agents for real-world applications

  • 99,681 GitHub stars
  • MITLicence MIT
  • #AI Agents

material-ui

Alternative toKendoReact

Open source React components for Google's Material Design

  • 99,282 GitHub stars
  • MITLicence MIT

OpenCut

Alternative toCapCut

Open source video editing in your browser, free forever

  • 96,188 GitHub stars
  • MITLicence MIT
  • #Video

LocalSend

Alternative toSend Anywhere

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

  • 95,715 GitHub stars
  • Apache-2.0Licence Apache-2.0

Nvm

InDeveloper Tools

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

  • 95,672 GitHub stars
  • MITLicence MIT
  • #CLI

manim

Alternative toAnimo

Programmatic animation engine for explanatory math videos

  • 95,654 GitHub stars
  • MITLicence MIT
  • #Video

Vllm

Alternative toTogether AI

High-throughput LLM inference server with OpenAI-compatible API

  • 95,637 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Stirling PDF

Alternative toAdobe Acrobat

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

  • 95,062 GitHub stars
  • MITLicence MIT

Sanctum Daemon

NEW

Alternative tonzb360

Native Android dashboard for Jellyfin and the *arr stack. No account.

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

Uptime Kuma

Alternative toUptimeRobot

Track uptime for websites and APIs with 90+ alert integrations

  • 92,951 GitHub stars
  • MITLicence MIT
  • #Monitoring

ragflow

Alternative toVectara

Open-source RAG engine with document parsing and agent orchestration

  • 92,913 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Parrotflow

NEW

Alternative toWispr Flow

Scriptable local dictation with rules, screen context, and vocabulary.

  • 22 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #macOS

Zed

Alternative toCursor

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

  • 92,241 GitHub stars
  • Apache-2.0Licence Apache-2.0

OpenHands

Alternative toDevin AI

Delegate scoped coding tasks in isolated, reviewable agent sessions

  • 91,921 GitHub stars
  • MITLicence MIT
  • #AI Agents

Dashy

NEW

InIT Management

Self-hosted homelab homepage with status checks, widgets, and themes.

  • 26,844 GitHub stars
  • MITLicence MIT

Home Assistant

Alternative toSamsung SmartThings

Open source home automation with local control priority

  • 91,742 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #IoT

PaddleOCR

Alternative toGoogle Document AI

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

  • 91,628 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Lila

NEW

Alternative toChess.com

Ad-free open source chess server with tournaments and puzzles.

  • 18,918 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

servers

Alternative toComposio

Open reference servers for connecting AI to external tools and data

  • 91,626 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

  • 91,297 GitHub stars
  • Apache-2.0Licence Apache-2.0

Gpt Researcher

NEW

Alternative toPerplexity AI

Deep research agent for cited reports from web and local documents.

  • 30,339 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Syncthing

Alternative toResilio Connect

Decentralized continuous file sync with no central server

  • 89,782 GitHub stars
  • MPL-2.0Licence MPL-2.0

Worldmonitor

Alternative toSeerist

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

  • 89,608 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

SafeLine

NEW

Alternative toCloudflare WAF

Self-hosted WAF with semantic analysis and near-zero false positives

  • 23,074 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Security

VoiceStudio

Alternative toElevenLabs

Voice cloning, dubbing, and transcription that runs fully offline

  • 88,824 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Understand-Anything

Alternative toSourcegraph

Interactive knowledge graphs for codebases

  • 88,393 GitHub stars
  • MITLicence MIT

Minimal

NEW

Alternative toChainguard Images

150 hardened container images, MIT-licensed, signed and rebuilt daily

  • 554 GitHub stars
  • MITLicence MIT

crawl4ai

Alternative toFirecrawl

LLM-ready web crawling without API keys or rate limits

  • 86,405 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Scraping

rtk

Alternative toTokenade

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

  • 84,640 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #CLI

Hillock

NEW

InAI & Machine Learning

Local neuro-symbolic memory engine for AI agents, under 1.2 GB VRAM.

  • 237 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #LLM

deer-flow

Alternative toManus

Build super agents with DeerFlow's powerful framework

  • 84,449 GitHub stars
  • MITLicence MIT
  • #LLM

MinerU

Alternative toLlamaParse

Document parsing for LLM workflows, OCR, and agent reading.

  • 82,565 GitHub stars
  • CustomLicence Apache-2.0 with commercial threshold and attribution terms
  • #LLM

Koreader

NEW

Alternative toKindle

Open source e-ink reader for Kindle, Kobo, reMarkable, and Android.

  • 30,707 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

MiroFish

InAI & Machine Learning

Multi-agent simulation engine that predicts real-world outcomes

  • 82,251 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
Browse all 952 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
493

Developer Tools

REA (Reverse Engineer Anything), superpowers, Skills for Real Engineers424

AI & Machine Learning

freeCodeCamp, OpenClaw, REA (Reverse Engineer Anything)209

Business & Productivity

OpenClaw, Excalidraw, RustDesk200

Web Development

superpowers, freeCodeCamp, Skills for Real Engineers143

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma131

IT Management

Immich, RustDesk, Stirling PDF129

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw113

Cloud & Hosting

dify, RuView, rtk109

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown108

Data & Analytics

Firecrawl, ragflow, Worldmonitor106

Design & Creative

ComfyUI, Excalidraw, Godot Engine106

Product & Project Management

agency-agents, freeCodeCamp, Gstack95

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata81

APIs & Integration

n8n, Firecrawl, iptv70

Backend Development

graphify, dify, Rust65

Databases & Storage

Supabase, Immich, Redis58

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish35

No-Code & Low-Code

Langflow, n8n, dify35

Web & App Development

Flutter, Rust, Nvm31

Finance & Fintech

TradingAgents, MiroFish, OpenBB29

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
  • Microsoft Teams to Rocket.Chat
  • Confluence to Docmost
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Firebase to Supabase
  • 1Password to KeePassXC
  • Contentful to Strapi
  • Adobe Premiere Pro to Shotcut
  • 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
  • Microsoft Teams to Rocket.Chat
  • Confluence to Docmost
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Firebase to Supabase
  • 1Password to KeePassXC
  • Contentful to Strapi
  • Adobe Premiere Pro to Shotcut