OpenAlternative
@openalternative.co
Discover open source alternatives to popular software. Curated by @kulpinski.dev
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OpenAlternative
@openalternative.co
· Nov 7
OpenAlternative is a curated collection of the best open source alternatives to everyday SaaS products. Save money with reliable tools hand-picked for you.
Discover open source alternatives to Slack, Notion, Mixpanel, Canva, Airable and many, many more
→ openalternative.co
Discover open source alternatives to Slack, Notion, Mixpanel, Canva, Airable and many, many more
→ openalternative.co
SAMA — Secure, scalable chat server for modern applications
⭐ Stars: 146
🔗 Forks: 12
⏩ Last commit: Dec 18, 2025
⌛ First commit: Sep 19, 2022
⭐ Stars: 146
🔗 Forks: 12
⏩ Last commit: Dec 18, 2025
⌛ First commit: Sep 19, 2022
SAMA: Open Source Alternative to Discord, Microsoft Teams and Slack
Open source chat server with end-to-end encryption, clustering support, and comprehensive messaging features for building real-time communication apps
openalternative.co
December 27, 2025 at 12:01 PM
SAMA — Secure, scalable chat server for modern applications
⭐ Stars: 146
🔗 Forks: 12
⏩ Last commit: Dec 18, 2025
⌛ First commit: Sep 19, 2022
⭐ Stars: 146
🔗 Forks: 12
⏩ Last commit: Dec 18, 2025
⌛ First commit: Sep 19, 2022
🎯 Another milestone hit! ActivePieces now has 20,000 stars! Amazing work 🌟
Automate workflows with no-code integration platform
Automate workflows with no-code integration platform
ActivePieces: Open Source Alternative to n8n, Make and IFTTT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.
openalternative.co
December 26, 2025 at 8:00 PM
🎯 Another milestone hit! ActivePieces now has 20,000 stars! Amazing work 🌟
Automate workflows with no-code integration platform
Automate workflows with no-code integration platform
Langfuse — Open source LLM engineering platform for AI-powered applications
⭐ Stars: 19,741
🔗 Forks: 1,934
⏩ Last commit: Dec 25, 2025
⌛ First commit: May 18, 2023
⭐ Stars: 19,741
🔗 Forks: 1,934
⏩ Last commit: Dec 25, 2025
⌛ First commit: May 18, 2023
Langfuse: Open Source Alternative to LangChain, Eden AI and LangSmith
Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.
openalternative.co
December 26, 2025 at 12:01 PM
Langfuse — Open source LLM engineering platform for AI-powered applications
⭐ Stars: 19,741
🔗 Forks: 1,934
⏩ Last commit: Dec 25, 2025
⌛ First commit: May 18, 2023
⭐ Stars: 19,741
🔗 Forks: 1,934
⏩ Last commit: Dec 25, 2025
⌛ First commit: May 18, 2023
🎯 Another milestone hit! Daytona now has 40,000 stars! Amazing work 🌟
Lightning-fast secure infrastructure for AI code execution
Lightning-fast secure infrastructure for AI code execution
Daytona: Lightning-fast secure infrastructure for AI code execution
Deploy and run AI-generated code in isolated environments with 200ms startup time, stateful operations, and enterprise-grade security features.
openalternative.co
December 25, 2025 at 8:01 PM
🎯 Another milestone hit! Daytona now has 40,000 stars! Amazing work 🌟
Lightning-fast secure infrastructure for AI code execution
Lightning-fast secure infrastructure for AI code execution
Unleash — Feature flags for rapid, risk-free software deployment
⭐ Stars: 13,007
🔗 Forks: 821
⏩ Last commit: Dec 24, 2025
⌛ First commit: Sep 29, 2014
⭐ Stars: 13,007
🔗 Forks: 821
⏩ Last commit: Dec 24, 2025
⌛ First commit: Sep 29, 2014
Unleash: Open Source Alternative to LaunchDarkly, Statsig and Optimizely
A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery.
openalternative.co
December 25, 2025 at 12:01 PM
Unleash — Feature flags for rapid, risk-free software deployment
⭐ Stars: 13,007
🔗 Forks: 821
⏩ Last commit: Dec 24, 2025
⌛ First commit: Sep 29, 2014
⭐ Stars: 13,007
🔗 Forks: 821
⏩ Last commit: Dec 24, 2025
⌛ First commit: Sep 29, 2014
⭐ CocoIndex has just reached 5,000 stars on GitHub! Huge congrats! 🎉
Ultra-fast data transformation for AI with lineage
Ultra-fast data transformation for AI with lineage
CocoIndex: Open Source Alternative to Pipedream, Segment and Fivetran
Open-source ETL framework built in Rust for AI workloads. Features incremental processing, data lineage, and observability tools for semantic search and RAG applications.
openalternative.co
December 24, 2025 at 8:00 PM
⭐ CocoIndex has just reached 5,000 stars on GitHub! Huge congrats! 🎉
Ultra-fast data transformation for AI with lineage
Ultra-fast data transformation for AI with lineage
Cozystack — Turn bare metal into intelligent cloud infrastructure
⭐ Stars: 1,844
🔗 Forks: 134
⏩ Last commit: Dec 23, 2025
⌛ First commit: Nov 21, 2023
⭐ Stars: 1,844
🔗 Forks: 134
⏩ Last commit: Dec 23, 2025
⌛ First commit: Nov 21, 2023
Cozystack: Open Source Alternative to Google Cloud, Microsoft Azure and Virtuozzo
Transform bare metal servers into a complete cloud platform with REST API for Kubernetes clusters, databases, VMs, and load balancers. Build your own cloud.
openalternative.co
December 24, 2025 at 12:01 PM
Cozystack — Turn bare metal into intelligent cloud infrastructure
⭐ Stars: 1,844
🔗 Forks: 134
⏩ Last commit: Dec 23, 2025
⌛ First commit: Nov 21, 2023
⭐ Stars: 1,844
🔗 Forks: 134
⏩ Last commit: Dec 23, 2025
⌛ First commit: Nov 21, 2023
🎊 Big news! Fumadocs reached 10,000 stars on GitHub! High five! 🙌
Build beautiful documentation sites with Next.js
Build beautiful documentation sites with Next.js
Fumadocs: Open Source Alternative to Mintlify and Gitbook
A flexible Next.js framework for creating stunning documentation sites with MDX support, built-in search, and customizable components.
openalternative.co
December 24, 2025 at 8:00 AM
🎊 Big news! Fumadocs reached 10,000 stars on GitHub! High five! 🙌
Build beautiful documentation sites with Next.js
Build beautiful documentation sites with Next.js
★ Just published: TimeScribe — Transform your time tracking into actionable insights
Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.
Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.
TimeScribe: Open Source Alternative to WakaTime and RescueTime
Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.
openalternative.co
December 23, 2025 at 3:00 PM
★ Just published: TimeScribe — Transform your time tracking into actionable insights
Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.
Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.
💫 500 GitHub stars and counting! Monetr keeps growing! Shoutout to the team 🔥
Take control of your finances, paycheck by paycheck
Take control of your finances, paycheck by paycheck
Monetr: Open Source Alternative to YNAB, Splitwise and Quickbooks
Manage your money confidently with monetr, putting aside what you need and spending what you want
openalternative.co
December 23, 2025 at 8:00 AM
💫 500 GitHub stars and counting! Monetr keeps growing! Shoutout to the team 🔥
Take control of your finances, paycheck by paycheck
Take control of your finances, paycheck by paycheck
★ Just published: dstack — Simplify AI workload orchestration across any cloud
Open-source container orchestrator designed for AI teams. Manage GPU workloads, dev environments, and model deployments across any cloud or on-prem cluster.
Open-source container orchestrator designed for AI teams. Manage GPU workloads, dev environments, and model deployments across any cloud or on-prem cluster.
dstack: Open Source Alternative to Docker Swarm and Kubernetes
Open-source container orchestrator designed for AI teams. Manage GPU workloads, dev environments, and model deployments across any cloud or on-prem cluster.
openalternative.co
December 22, 2025 at 3:00 PM
★ Just published: dstack — Simplify AI workload orchestration across any cloud
Open-source container orchestrator designed for AI teams. Manage GPU workloads, dev environments, and model deployments across any cloud or on-prem cluster.
Open-source container orchestrator designed for AI teams. Manage GPU workloads, dev environments, and model deployments across any cloud or on-prem cluster.
Rocket.Chat — Secure, flexible team communication platform
⭐ Stars: 44,135
🔗 Forks: 12,718
⏩ Last commit: Dec 22, 2025
⌛ First commit: May 19, 2015
⭐ Stars: 44,135
🔗 Forks: 12,718
⏩ Last commit: Dec 22, 2025
⌛ First commit: May 19, 2015
Rocket.Chat: Open Source Alternative to Discord, Microsoft Teams and Skype
Open-source chat solution offering real-time messaging, video calls, and file sharing for teams of all sizes.
openalternative.co
December 22, 2025 at 12:01 PM
Rocket.Chat — Secure, flexible team communication platform
⭐ Stars: 44,135
🔗 Forks: 12,718
⏩ Last commit: Dec 22, 2025
⌛ First commit: May 19, 2015
⭐ Stars: 44,135
🔗 Forks: 12,718
⏩ Last commit: Dec 22, 2025
⌛ First commit: May 19, 2015
⭐ SigNoz has just reached 25,000 stars on GitHub! Huge congrats! 🎉
Open-source observability platform for cloud-native apps
Open-source observability platform for cloud-native apps
SigNoz: Open Source Alternative to DataDog, Splunk and Axiom
Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.
openalternative.co
December 22, 2025 at 8:01 AM
⭐ SigNoz has just reached 25,000 stars on GitHub! Huge congrats! 🎉
Open-source observability platform for cloud-native apps
Open-source observability platform for cloud-native apps
🎊 Big news! SiYuan reached 40,000 stars on GitHub! High five! 🙌
Privacy-first knowledge management with block-level referencing
Privacy-first knowledge management with block-level referencing
SiYuan: Open Source Alternative to Notion, Obsidian and OneNote
SiYuan is a personal knowledge management system that prioritizes privacy, supports Markdown, and offers block-level referencing and bidirectional linking.
openalternative.co
December 22, 2025 at 8:00 AM
🎊 Big news! SiYuan reached 40,000 stars on GitHub! High five! 🙌
Privacy-first knowledge management with block-level referencing
Privacy-first knowledge management with block-level referencing
Hyperswitch — Open source payment orchestrator for global transactions
⭐ Stars: 39,342
🔗 Forks: 4,552
⏩ Last commit: Dec 21, 2025
⌛ First commit: Oct 17, 2022
⭐ Stars: 39,342
🔗 Forks: 4,552
⏩ Last commit: Dec 21, 2025
⌛ First commit: Oct 17, 2022
Hyperswitch: Open Source Alternative to Stripe Billing and PayPal Braintree
A unified payment infrastructure that connects multiple payment processors through a single API integration, enabling global payment processing
openalternative.co
December 21, 2025 at 12:01 PM
Hyperswitch — Open source payment orchestrator for global transactions
⭐ Stars: 39,342
🔗 Forks: 4,552
⏩ Last commit: Dec 21, 2025
⌛ First commit: Oct 17, 2022
⭐ Stars: 39,342
🔗 Forks: 4,552
⏩ Last commit: Dec 21, 2025
⌛ First commit: Oct 17, 2022
🎯 Another milestone hit! Uptime Kuma now has 80,000 stars! Amazing work 🌟
Self-hosted monitoring tool for websites and services
Self-hosted monitoring tool for websites and services
Uptime Kuma: Open Source Alternative to Opsgenie, BetterStack and UptimeRobot
A user-friendly, open-source uptime monitoring solution for tracking website and service availability
openalternative.co
December 20, 2025 at 8:00 PM
🎯 Another milestone hit! Uptime Kuma now has 80,000 stars! Amazing work 🌟
Self-hosted monitoring tool for websites and services
Self-hosted monitoring tool for websites and services
Ghostfolio — Track, analyze, and optimize your investments effortlessly
⭐ Stars: 7,076
🔗 Forks: 856
⏩ Last commit: Dec 19, 2025
⌛ First commit: Apr 13, 2021
⭐ Stars: 7,076
🔗 Forks: 856
⏩ Last commit: Dec 19, 2025
⌛ First commit: Apr 13, 2021
Ghostfolio: Open Source Alternative to YNAB and Mint
Open-source wealth management software for tracking stocks, ETFs, and cryptocurrencies across multiple portfolios
openalternative.co
December 20, 2025 at 12:01 PM
Ghostfolio — Track, analyze, and optimize your investments effortlessly
⭐ Stars: 7,076
🔗 Forks: 856
⏩ Last commit: Dec 19, 2025
⌛ First commit: Apr 13, 2021
⭐ Stars: 7,076
🔗 Forks: 856
⏩ Last commit: Dec 19, 2025
⌛ First commit: Apr 13, 2021
★ Just published: 0 Finance — Transform idle cash into competitive yield for startups
High-yield treasury management for startups earning 8% APY with insurance coverage up to $1M. Open US/EU accounts instantly with full liquidity and no minimums.
High-yield treasury management for startups earning 8% APY with insurance coverage up to $1M. Open US/EU accounts instantly with full liquidity and no minimums.
0 Finance: Transform idle cash into competitive yield for startups
High-yield treasury management for startups earning 8% APY with insurance coverage up to $1M. Open US/EU accounts instantly with full liquidity and no minimums.
openalternative.co
December 19, 2025 at 11:00 PM
★ Just published: 0 Finance — Transform idle cash into competitive yield for startups
High-yield treasury management for startups earning 8% APY with insurance coverage up to $1M. Open US/EU accounts instantly with full liquidity and no minimums.
High-yield treasury management for startups earning 8% APY with insurance coverage up to $1M. Open US/EU accounts instantly with full liquidity and no minimums.
💫 1,000 GitHub stars and counting! Relaticle keeps growing! Shoutout to the team 🔥
Modern open-source CRM that grows with your business
Modern open-source CRM that grows with your business
Relaticle: Open Source Alternative to HubSpot, Pipedrive and Salesforce
Transform customer relationships with this intuitive open-source CRM. Features task management, sales pipeline tracking, and customizable data models.
openalternative.co
December 19, 2025 at 8:00 PM
💫 1,000 GitHub stars and counting! Relaticle keeps growing! Shoutout to the team 🔥
Modern open-source CRM that grows with your business
Modern open-source CRM that grows with your business
⭐ Letta @letta.com has just reached 20,000 stars on GitHub! Huge congrats! 🎉
Build and deploy AI agents with advanced memory
Build and deploy AI agents with advanced memory
Letta: Open Source Alternative to Perplexity, LangChain and Pinecone
Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools.
openalternative.co
December 19, 2025 at 8:00 PM
⭐ Letta @letta.com has just reached 20,000 stars on GitHub! Huge congrats! 🎉
Build and deploy AI agents with advanced memory
Build and deploy AI agents with advanced memory
★ Just published: Maxun — Build no-code robots to automate web data scraping
Train robots in 2 minutes to scrape web data automatically. No coding required. Handles pagination, CAPTCHAs, and layout changes with AI.
Train robots in 2 minutes to scrape web data automatically. No coding required. Handles pagination, CAPTCHAs, and layout changes with AI.
Maxun: Open Source Octoparse Alternative
Train robots in 2 minutes to scrape web data automatically. No coding required. Handles pagination, CAPTCHAs, and layout changes with AI.
openalternative.co
December 19, 2025 at 3:00 PM
★ Just published: Maxun — Build no-code robots to automate web data scraping
Train robots in 2 minutes to scrape web data automatically. No coding required. Handles pagination, CAPTCHAs, and layout changes with AI.
Train robots in 2 minutes to scrape web data automatically. No coding required. Handles pagination, CAPTCHAs, and layout changes with AI.
Supabase — Open-source Firebase alternative for modern app development
⭐ Stars: 94,862
🔗 Forks: 11,034
⏩ Last commit: Dec 19, 2025
⌛ First commit: Oct 12, 2019
⭐ Stars: 94,862
🔗 Forks: 11,034
⏩ Last commit: Dec 19, 2025
⌛ First commit: Oct 12, 2019
Supabase: Open Source Alternative to AppWrite, Firebase and Fauna
A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.
openalternative.co
December 19, 2025 at 12:01 PM
Supabase — Open-source Firebase alternative for modern app development
⭐ Stars: 94,862
🔗 Forks: 11,034
⏩ Last commit: Dec 19, 2025
⌛ First commit: Oct 12, 2019
⭐ Stars: 94,862
🔗 Forks: 11,034
⏩ Last commit: Dec 19, 2025
⌛ First commit: Oct 12, 2019
⭐ Orama has just reached 10,000 stars on GitHub! Huge congrats! 🎉
Full-text & vector search at the edge.
Full-text & vector search at the edge.
Orama: Open Source Alternative to ElasticSearch, Algolia and Coveo
Blend full-text and semantic search for unlimited queries across 300 global locations. Get precise answers and matches at a flat rate, no matter your search volume.
openalternative.co
December 19, 2025 at 8:00 AM
⭐ Orama has just reached 10,000 stars on GitHub! Huge congrats! 🎉
Full-text & vector search at the edge.
Full-text & vector search at the edge.
🚀 Look who's climbing! Firecrawl just crossed 70,000 GitHub stars! Props to the team 💫
Blazing-fast web crawling for modern developers
Blazing-fast web crawling for modern developers
Firecrawl: Open Source Alternative to Jina AI, Browserbase and Apify
Efficient, scalable web crawler built on Rust. Extract data, monitor sites, and automate web tasks with ease and speed.
openalternative.co
December 18, 2025 at 8:00 PM
🚀 Look who's climbing! Firecrawl just crossed 70,000 GitHub stars! Props to the team 💫
Blazing-fast web crawling for modern developers
Blazing-fast web crawling for modern developers
🎯 Another milestone hit! OpenCode now has 40,000 stars! Amazing work 🌟
AI coding agent with native terminal interface
AI coding agent with native terminal interface
OpenCode: Open Source Alternative to Warp, Claude Code and Zencoder
Native terminal UI AI coding agent with LSP support, multi-session capability, shareable links, and compatibility with 75+ LLM providers including Claude Pro.
openalternative.co
December 18, 2025 at 8:00 PM
🎯 Another milestone hit! OpenCode now has 40,000 stars! Amazing work 🌟
AI coding agent with native terminal interface
AI coding agent with native terminal interface