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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr FlowConductor
ArcCapCutGrok BotSuperhumanAirtableMuseRailway

Featured

Windshift

Sponsored

Alternative toJira

Self-hosted work management for teams leaving Jira

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

Nuphos

Sponsored

Alternative toConductor

Agent workspace for teams running Claude Code or Codex

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

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 209,760 GitHub stars

Hermes Agent

Alternative toGrok Bot

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

  • 261,524 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.

  • 53,395 GitHub stars
  • MIT LicenseLicence MIT License

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 112,038 GitHub stars
  • MITLicence MIT
  • #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

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

Buzz

Alternative toSlack

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

  • 36,787 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

Spotifast

Alternative toSpotify Premium

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

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

It's a Plan

Alternative toLinear

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

  • 2,210 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 109,989 GitHub stars
  • MITLicence MIT
  • #AI Agents

SnitchFeed

Sponsored

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

Marketing & Growth

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

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

  • 431,018 GitHub stars
  • MITLicence MIT

OpenClaw

Alternative toMuse

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

  • 394,144 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

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Trending open source projects this week

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

As of 8 Nov 2026

  1. 0101+25,464 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +25,464 stars this week441,320 GitHub stars
  2. 0202+15,602 stars this week

    T3 Code

    Control your coding agents from one interface

    Alternative toConductor

    Alternative toConductor

    +15,602 stars this week51,391 GitHub stars
  3. 0303+14,472 stars this week

    Agent Desktop

    Desktop computer use for AI agents via OS accessibility tree

    InAI & Machine Learning

    InAI & Machine Learning

    +14,472 stars this week18,978 GitHub stars
  4. 0404+10,440 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +10,440 stars this week65,882 GitHub stars
  5. 0505+9,305 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +9,305 stars this week317,816 GitHub stars
  6. 0606+7,394 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

    +7,394 stars this week17,141 GitHub stars
  7. 0707+7,024 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +7,024 stars this week103,987 GitHub stars
  8. 0808+6,857 stars this week

    Orca

    The ultimate IDE for coding agents

    Alternative toConductor

    Alternative toConductor

    +6,857 stars this week118,656 GitHub stars
  9. 0909+6,555 stars this week

    claude-mem

    Stop re-explaining your codebase to every new agent session

    Alternative toContextPool

    Alternative toContextPool

    +6,555 stars this week114,546 GitHub stars
  10. 1010+6,338 stars this week

    Hallmark

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

    InDesign & Creative

    InDesign & Creative

    +6,338 stars this week50,351 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. 1OpenCode225,303 GitHub stars
  2. 2oh-my-pi38,138 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. 2OpenProject17,089 GitHub stars
  3. 3Plane62,127 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy78,217 GitHub stars
  2. 2AFFiNE74,300 GitHub stars
  3. 3Outline41,200 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,555 GitHub stars
  2. 2Rocket.Chat46,374 GitHub stars
  3. 3Zulip26,188 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,548 GitHub stars
  2. 2OpenProject17,089 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. 2VoiceInk7,045 GitHub stars
  3. 3FluidVoice12,818 GitHub stars
Read the Wispr Flow guide →

Conductor open source alternatives

12 ranked · reviewed 5 Nov
  1. 1Orca118,573 GitHub stars
  2. 2T3 Code46,806 GitHub stars
  3. 3Paseo23,411 GitHub stars
Read the Conductor guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,639 GitHub stars
  2. 2Floorp8,477 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. 2Macro6,195 GitHub stars
  3. 3Mailspring17,998 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,658 GitHub stars
  2. 2Budibase 28,394 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

OmniRoute

Alternative toOpenRouter

352-provider AI gateway with automatic fallback and token compression

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

LobeHub

Alternative toRelevance AI

AI agent team operator with IM gateway and persistent memory.

  • 84,338 GitHub stars
  • CustomLicence Apache-2.0 with LobeHub Community License additional terms
  • #AI Agents

MiroFish

InAI & Machine Learning

Multi-agent simulation engine that predicts real-world outcomes

  • 84,238 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

MinerU

Alternative toLlamaParse

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

  • 83,174 GitHub stars
  • CustomLicence Apache-2.0 with commercial threshold and attribution terms
  • #LLM

Netdata

Alternative toDatadog

Real-time infrastructure monitoring with zero configuration

  • 81,300 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Monitoring

RuFlo

Alternative toConductor

Deploy intelligent AI agents with ease.

  • 81,153 GitHub stars
  • MITLicence MIT
  • #AI Agents

screenshot-to-code

Alternative toGoogle Stitch

Turn any design screenshot into clean, working code with AI

  • 81,027 GitHub stars
  • MITLicence MIT

Hoppscotch

Alternative toPostman

Open source Postman alternative for REST and GraphQL testing

  • 80,764 GitHub stars
  • MITLicence MIT
  • #API Client

career-ops

Alternative toAIApply

AI job search agent that scores listings and tailors CVs locally.

  • 80,255 GitHub stars
  • MITLicence MIT

Code Server

Alternative toGitHub Codespaces

VS Code in the browser, self-hosted, with no per-seat pricing.

  • 79,785 GitHub stars
  • MITLicence MIT

Unsloth

Alternative toTogether AI

Train LLMs locally without code using a browser-based interface

  • 79,164 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

OBS Studio

Alternative tovMix

Record and stream with multi-source scenes and hardware encoding

  • 79,121 GitHub stars
  • GPL-2.0Licence GPL-2.0
  • #Video

headroom

Alternative toThe Token Company

Compress LLM context before it reaches the model

  • 79,068 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

hyperframes

Alternative toRemotion

Turn HTML and CSS into rendered MP4 videos, built for AI agents.

  • 79,032 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Video

Brag

NEW

InDesign & Creative

Agent skill that turns any project into a launch video in one command

  • 20,679 GitHub stars
  • MITLicence MIT
  • #Video

AppFlowy

Alternative toNotion

Open source Notion alternative with AI, self-hosted

  • 78,217 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Grafana

Alternative toDatadog

Open source dashboards for metrics, logs, and traces

  • 77,750 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Monitoring

Billion Context

NEW

Alternative toCompresr

Compression proxy for AI coding agents, enabling 5x token savings.

  • 4,620 GitHub stars
  • CustomLicence MIT with attribution requirement
  • #LLM

Redis

Alternative toAmazon ElastiCache for Redis

High-performance open source in-memory data structure store

  • 77,199 GitHub stars
  • #Database

OpenMontage

Alternative toInVideo AI

Turn your AI coding assistant into a video studio

  • 76,842 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Video

Nvke

NEW

Alternative toNVIDIA Run:ai

Kubernetes management plane for NVIDIA AI factory operators.

  • 560 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Kubernetes

codegraph

Alternative toAtlassian Code Context

Transform codebases into queryable knowledge graphs

  • 76,617 GitHub stars
  • MITLicence MIT

Apache Superset

Alternative toMicrosoft Power BI

Open source data visualization and BI exploration tool

  • 75,451 GitHub stars
  • Apache-2.0Licence Apache-2.0

Localthings

NEW

Alternative toSamsung SmartThings

Home Assistant integration for local Samsung appliance control.

  • 1,063 GitHub stars
  • MITLicence MIT
  • #IoT

OpenBB

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Open source AI research workspace for financial analysis

  • 75,117 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

AFFiNE

Alternative toNotion

Local-first workspace combining docs, whiteboards, and notes

  • 74,300 GitHub stars
  • MITLicence MIT

Astryx

NEW

Alternative toMUI X

Agent-ready React design system with 150+ accessible components.

  • 14,538 GitHub stars
  • MITLicence MIT

OpenSpec

Alternative toAmazon Kiro

Spec-driven development for AI coding assistants

  • 74,144 GitHub stars
  • MITLicence MIT

Mole

Alternative toCleanMyMac X

Free CLI and native app for Mac cleanup, uninstall, and disk analysis

  • 74,093 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #macOS

Sherlock

NEW

Alternative toOSINT Industries

OSINT username search across 400+ networks, self-hosted.

  • 100,494 GitHub stars
  • MITLicence MIT

strix

Alternative toXBOW

Autonomous AI pentesting with proof-of-exploit and auto-fix PRs.

  • 73,803 GitHub stars
  • Apache-2.0Licence Apache-2.0

Strapi

Alternative toContentful

Headless CMS with auto-generated REST and GraphQL for any content model.

  • 73,440 GitHub stars
  • MITLicence MIT

Tidemark

NEW

Alternative toFathom Analytics

Cookie-free web analytics for shared hosting, Docker, or cloud.

  • 3 GitHub stars
  • MITLicence MIT

Cline

Alternative toGitHub Copilot

VS Code AI agent that plans and edits across your entire project

  • 71,447 GitHub stars
  • Apache-2.0Licence Apache-2.0

Vaultwarden

Alternative toBitwarden

Lightweight self-hosted password manager server, Bitwarden compatible

  • 70,378 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

Voxos

NEW

Alternative toVapi

Self-hosted voice AI agent for calls, SMS, WhatsApp and web chat.

  • 2 GitHub stars
  • MITLicence MIT
  • #AI Agents

AnythingLLM

Alternative toChatGPT

Chat with your documents using any LLM, private and self-hosted

  • 68,047 GitHub stars
  • MITLicence MIT
  • #AI Agents

daily_stock_analysis

Alternative toSeeking Alpha Premium

AI-driven stock analysis for A, HK, and US markets

  • 67,572 GitHub stars
  • MITLicence MIT
  • #LLM

Commonly

NEW

InCommunication & Collaboration

Bring your AI agents into one shared team workspace, self-hosted.

  • 1,391 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Prometheus

Alternative toDatadog

Time series monitoring with a dimensional model and PromQL query language.

  • 67,390 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Monitoring
Browse all 1,173 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
603

Developer Tools

REA (Reverse Engineer Anything), Skills for Real Engineers, superpowers
510

AI & Machine Learning

freeCodeCamp, REA (Reverse Engineer Anything), OpenClaw
281

Business & Productivity

OpenClaw, Excalidraw, RustDesk
213

Web Development

Skills for Real Engineers, freeCodeCamp, superpowers
175

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Sherlock
158

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw
149

IT Management

Immich, RustDesk, Stirling PDF
130

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown
129

Cloud & Hosting

dify, RuView, rtk
125

Product & Project Management

agency-agents, freeCodeCamp, Gstack
122

Design & Creative

ComfyUI, Excalidraw, Godot Engine
122

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata
119

Data & Analytics

Firecrawl, ragflow, Worldmonitor
90

APIs & Integration

n8n, Firecrawl, iptv
84

Backend Development

graphify, dify, Rust
76

Databases & Storage

Supabase, Immich, Redis
73

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish
46

Web & App Development

Flutter, Rust, Angular
40

No-Code & Low-Code

Langflow, n8n, dify
38

Finance & Fintech

TradingAgents, MiroFish, OpenBB
32

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