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Browse Trending Open Source Tools This Month

Open source tools gaining GitHub stars fastest over the last 30 days. Ranked by growth rate rather than raw star count, so genuine breakouts surface above established projects.

Favicon of Discourse

Discourse

Cultivate vibrant online communities with ease

  • Stars

    47,967

  • Last commit

    7 hours ago

  • License

    GPL-2.0
A powerful, customizable platform for building and managing online forums, fostering engaging discussions and collaborative spaces.

Open Source Alternative to:

Favicon of Skool
Skool
Favicon of Vrite

Vrite

Collaborative content creation for technical teams

  • Stars

    2,005

  • Last commit

    2 days ago

  • License

    AGPL-3.0
A powerful platform for technical writing, offering real-time collaboration, version control, and seamless integrations.

Open Source Alternative to:

Favicon of Mintlify
Mintlify
Favicon of Prisme Analytics

Prisme Analytics

Privacy-friendly web analytics for data-driven decisions

  • Stars

    134

  • Last commit

    8 months ago

  • License

    AGPL-3.0
Prisme offers customizable, GDPR-compliant web analytics with real-time insights, unlimited data retention, and bot filtering.

Open Source Alternative to:

Favicon of Google Analytics
Google Analytics
Favicon of PearPass

PearPass

Complete password control, zero cloud dependency

  • Stars

    538

  • Last commit

    2 months ago

  • License

    Apache-2.0
Open-source password manager with peer-to-peer syncing, local storage, and end-to-end encryption. No cloud servers, complete privacy control across devices.

Open Source Alternative to:

Favicon of LastPass
LastPass
Favicon of GlitchTip

GlitchTip

Error tracking, performance, and uptime in one place

  • Stars

    167

  • Last commit

    4 days ago

  • License

    MIT
Self-hostable error tracking platform compatible with Sentry SDKs. Tracks exceptions, monitors performance, checks uptime, and collects logs without the Sentry price tag.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Betterlytics

Betterlytics

Privacy-first, cookieless analytics without consent banners

  • Stars

    178

  • Last commit

    19 hours ago

  • License

    AGPL-3.0
GDPR-compliant web analytics with real-time insights, session replay, and funnel tracking. No cookies, no tracking, no consent banners required.

Open Source Alternative to:

Favicon of Google Analytics
Google Analytics
Favicon of WordPress

WordPress

Create, customize, and manage your website with ease

  • Stars

    21,472

  • Last commit

    8 hours ago

  • License

    Unknown
A versatile, user-friendly platform for building and managing websites, from simple blogs to complex e-commerce stores.

Open Source Alternative to:

Favicon of Substack
Substack
Favicon of Apache Pinot

Apache Pinot

Distributed OLAP database for real-time analytics at scale

  • Stars

    6,153

  • Last commit

    7 hours ago

  • License

    Apache-2.0
Sub-second SQL queries on fresh streaming data at petabyte scale, built for high-concurrency user-facing apps and AI agent backends.

Open Source Alternative to:

Favicon of Splunk
Splunk
Favicon of Private Captcha

Private Captcha

GDPR-compliant bot protection without user friction

  • Stars

    197

  • Last commit

    1 day ago

  • License

    Unknown
Privacy-first CAPTCHA service that blocks bots while keeping forms accessible. No puzzles, no tracking, no cookies - just invisible cryptographic protection.

Open Source Alternative to:

Favicon of reCAPTCHA
reCAPTCHA
Favicon of Deepnote

Deepnote

Python, SQL, and AI in a collaborative data notebook

  • Stars

    3,017

  • Last commit

    8 hours ago

  • License

    Apache-2.0
Deepnote is an open-source collaborative notebook for data analysts and scientists, combining Python, SQL, AI assistance, and live sharing in one cloud platform.

Open Source Alternative to:

Favicon of Snowflake
Snowflake
Favicon of aaPanel

aaPanel

Powerful and user-friendly web hosting control panel

  • Stars

    3,067

  • Last commit

    8 hours ago

  • License

    Unknown
aaPanel simplifies Linux server management with one-click installations, intuitive interface, and comprehensive tools for websites, databases, and more.

Open Source Alternative to:

Favicon of cPanel
cPanel
Favicon of Botpress

Botpress

AI
Build powerful AI agents with cutting-edge LLM technology

  • Stars

    14,947

  • Last commit

    4 days ago

  • License

    MIT
A comprehensive platform for creating AI agents with intuitive tools, extensive integrations, and enterprise-grade features powered by the latest language models.

Open Source Alternative to:

Favicon of Manychat
Manychat
Favicon of Krakend

Krakend

Blazing-fast API gateway with linear scalability

  • Stars

    2,691

  • Last commit

    4 days ago

  • License

    Apache-2.0
High-performance, stateless API gateway built for microservices. Handle 80K+ requests/second with transparent pricing and enterprise-grade reliability.

Open Source Alternative to:

Favicon of Kong
Kong
Favicon of Showly

Showly

Track TV shows and movies, synced with Trakt.tv

  • Stars

    1,465

  • Last commit

    12 days ago

  • License

    GPL-3.0
Android and iOS app for tracking TV shows and movies, managing watchlists, and syncing viewing history with Trakt.tv across devices.

Open Source Alternative to:

Favicon of TV Time
TV Time
Favicon of UniBee

UniBee

Cut billing costs with open-source subscription management

  • Stars

    233

  • Last commit

    8 months ago

  • License

    AGPL-3.0
Replace expensive billing solutions with open-source software. Automate subscriptions, accept multiple payments including crypto, and gain real-time revenue insights.

Open Source Alternative to:

Favicon of Stripe Billing
Stripe Billing
Favicon of Twake Mail

Twake Mail

Secure open source email with advanced encryption & AI

  • Stars

    657

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data privately.

Open Source Alternative to:

Favicon of Gmail
Gmail
Favicon of Pearl

Pearl

AI
AI-powered automation that lives in your Slack workspace

  • Stars

    1,098

  • Last commit

    6 months ago

  • License

    Apache-2.0
Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.

Open Source Alternative to:

Favicon of Viktor
Viktor
Favicon of Bluesky

Bluesky

Social media reimagined for community and connection

  • Stars

    18,337

  • Last commit

    7 hours ago

  • License

    MIT
A decentralized social network focused on fostering meaningful interactions and giving users control over their data and experience.

Open Source Alternative to:

Favicon of X (Twitter)
X (Twitter)
Favicon of Procaptcha

Procaptcha

Decentralized CAPTCHA for enhanced web security

  • Stars

    302

  • Last commit

    5 days ago

  • License

    Apache-2.0
A blockchain-based CAPTCHA solution offering improved security, user experience, and resistance to bot attacks for web applications.

Open Source Alternative to:

Favicon of reCAPTCHA
reCAPTCHA
Favicon of Nagios

Nagios

Complete infrastructure monitoring with 25+ years of expertise

  • Stars

    2,050

  • Last commit

    2 months ago

  • License

    GPL-2.0
Free open source IT monitoring solution for servers, networks, and applications. Trusted by 1M+ users worldwide with powerful alerting and enterprise-grade features.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Darkwrite

Darkwrite

Distraction-free note-taking with powerful features

  • Stars

    316

  • Last commit

    4 days ago

  • License

    AGPL-3.0
A customizable, offline-first note editor that lets you format text, create lists, add images, and export to HTML - all while maintaining your privacy.

Open Source Alternative to:

Favicon of Notion
Notion
Favicon of FireZone

FireZone

Fast, flexible VPN replacement with zero-trust security

  • Stars

    9,113

  • Last commit

    8 hours ago

  • License

    Apache-2.0
Replace your VPN with zero-trust access built on WireGuard. Fast, scalable network security with simple policies and identity provider integration.

Open Source Alternative to:

Favicon of Zerotier
Zerotier
Favicon of Redmine

Redmine

Flexible project management you can host yourself

  • Stars

    6,045

  • Last commit

    9 hours ago

  • License

    GPL-2.0
Self-hosted project management web app built on Ruby on Rails with issue tracking, time logging, SCM integration, and multi-project support across any database.

Open Source Alternative to:

Favicon of Linear
Linear
Favicon of Reflex

Reflex

Full-stack Python platform for web apps and internal tools

  • Stars

    28,950

  • Last commit

    10 hours ago

  • License

    Apache-2.0
Build, iterate, and deploy full-stack web apps entirely in Python. Reflex combines an AI app builder, a full-stack framework, and one-click deployment in one platform.

Open Source Alternative to:

Favicon of Lovable
Lovable
Favicon of Orama

Orama

AI
Full-text & vector search at the edge.

  • Stars

    10,574

  • Last commit

    5 days ago

  • License

    Unknown
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.

Open Source Alternative to:

Favicon of Algolia
Algolia
Favicon of CasaOS

CasaOS

Your personal cloud OS for simple, elegant home servers

  • Stars

    37,308

  • Last commit

    15 days ago

  • License

    Apache-2.0
CasaOS is an open-source personal cloud system that makes it easy to set up and manage your own home server

Open Source Alternative to:

Favicon of Umbrel
Umbrel
Favicon of Storyden

Storyden

Build lasting communities with modern forum technology

  • Stars

    339

  • Last commit

    1 day ago

  • License

    MPL-2.0
Create permanent, discoverable communities with modern forum features. Combines discussion, curation, and wiki functionality in one platform.

Open Source Alternative to:

Favicon of Skool
Skool
Favicon of Lua.sh

Lua.sh

Professional link management for modern teams

  • Stars

    343

  • Last commit

    22 days ago

  • License

    AGPL-3.0
Open-source platform for creating shortened URLs with advanced analytics, custom domains, and API integration for marketing and development teams.

Open Source Alternative to:

Favicon of TinyURL
TinyURL
Favicon of Gigapipe

Gigapipe

All-in-one observability with unlimited data ingestion

  • Stars

    1,711

  • Last commit

    1 day ago

  • License

    AGPL-3.0
Unified platform for logs, metrics, traces and profiles with native compatibility for popular tools like OpenTelemetry, Prometheus, and Loki. No data silos, no usage limits.

Open Source Alternative to:

Favicon of DataDog
DataDog
Favicon of Databend

Databend

Cloud-native data warehouse for lightning-fast analytics

  • Stars

    9,463

  • Last commit

    7 hours ago

  • License

    Unknown
Databend is an open-source, elastic cloud data warehouse built for high-performance analytics and seamless integration with popular data tools.

Open Source Alternative to:

Favicon of Snowflake
Snowflake
Favicon of Tianji

Tianji

Website analytics, uptime monitoring, and server status in one

  • Stars

    3,105

  • Last commit

    23 hours ago

  • License

    Apache-2.0
Self-hostable platform combining website analytics, uptime monitoring, server status, Docker tracking, status pages, and telemetry for indie developers and small teams.

Open Source Alternative to:

Favicon of Google Analytics
Google Analytics
Favicon of HTTPie

HTTPie

Modern command-line HTTP client for the API era

  • Stars

    4,048

  • Last commit

    2 years ago

  • License

    BSD-3-Clause
Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.

Open Source Alternative to:

Favicon of Postman
Postman
Favicon of AITable

AITable

Visual database for workflow automation across apps

  • Stars

    15,634

  • Last commit

    1 month ago

  • License

    AGPL-3.0
AITable.ai offers a visual database platform that simplifies workflow automation and connects to over 6,000 apps through integrations like Zapier and Make.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Convertigo

Convertigo

Low-code and no-code platform for business apps

  • Stars

    387

  • Last commit

    19 hours ago

  • License

    AGPL-3.0
Full-stack open source platform combining no-code and low-code studios to build, deploy, and integrate web, mobile, and desktop business applications.

Open Source Alternative to:

Favicon of Power Apps
Power Apps
Favicon of Permify

Permify

Build scalable authorization in minutes, not months

  • Stars

    5,963

  • Last commit

    24 hours ago

  • License

    AGPL-3.0
Open-source authorization service for implementing fine-grained access controls. Centralized, scalable solution supporting RBAC, ABAC and ReBAC with Google Zanzibar-inspired architecture.

Open Source Alternative to:

Favicon of Auth0
Auth0
Favicon of Ueli

Ueli

Quick access to apps and files with keyboard shortcuts

  • Stars

    4,607

  • Last commit

    18 hours ago

  • License

    MIT
A keyboard-driven launcher that helps you quickly find and open applications, files, and bookmarks across Windows, macOS, and Linux

Open Source Alternative to:

Favicon of Raycast
Raycast
Favicon of Bacalhau

Bacalhau

Revolutionizing data processing with Compute Over Data

  • Stars

    874

  • Last commit

    19 hours ago

  • License

    Apache-2.0
Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.
Favicon of Beaver Notes

Beaver Notes

Local-first notes app with no cloud, no AI, no tracking

  • Stars

    1,348

  • Last commit

    11 days ago

  • License

    MIT
A privacy-focused, offline-first note-taking app that stores everything on your device, with Markdown, note linking, file attachments, LaTeX math, and bring-your-own sync.

Open Source Alternative to:

Favicon of Notion
Notion
Favicon of Strapi

Strapi

Headless CMS with REST and GraphQL APIs out of the box

  • Stars

    73,299

  • Last commit

    8 hours ago

  • License

    MIT
TypeScript headless CMS that generates REST and GraphQL APIs from your content model, with a no-code builder, plugin system, and full self-hosting support.

Open Source Alternative to:

Favicon of Contentful
Contentful
Favicon of Bknd

Bknd

Feature-rich backend that runs anywhere you need it

  • Stars

    3,769

  • Last commit

    19 days ago

  • License

    Apache-2.0
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of TinaCMS

TinaCMS

Visual editing for your Git-based content

  • Stars

    13,826

  • Last commit

    8 hours ago

  • License

    Apache-2.0
A headless CMS that simplifies content management with real-time editing, Git-based workflows, and developer-friendly customization.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Piwigo

Piwigo

Organize thousands of photos with ease

  • Stars

    3,866

  • Last commit

    4 days ago

  • License

    GPL-2.0
Open source photo management software for organizing, sharing and managing large photo libraries. Perfect for teams, organizations and individuals.

Open Source Alternative to:

Favicon of Google Photos
Google Photos
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