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Open Source Projects using Phosphor Icons

A curated collection of the 21 best open source software using Phosphor Icons. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Favicon of AnythingLLM

AnythingLLM

AI
Chat with your documents using any LLM, fully private

  • Stars

    65,619

  • Last commit

    24 hours ago

  • License

    MIT
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.

Open Source Alternative to:

Favicon of Claude
Claude
Favicon of Onyx

Onyx

AI
Unified AI-powered enterprise search across company data

  • Stars

    31,930

  • Last commit

    5 hours ago

  • License

    MIT
An open-source platform that connects to 40+ apps to provide intelligent search and AI assistance across all company information

Open Source Alternative to:

Favicon of ElasticSearch
ElasticSearch
Favicon of Khoj

Khoj

AI
AI second brain for research, automation, and personal agents

  • Stars

    37,083

  • Last commit

    1 month ago

  • License

    AGPL-3.0
Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.

Open Source Alternative to:

Favicon of Claude
Claude
Favicon of Spacedrive

Spacedrive

Your personal distributed filesystem

  • Stars

    38,905

  • Last commit

    1 month ago

  • License

    AGPL-3.0
A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.

Open Source Alternative to:

Favicon of Google Drive
Google Drive
Favicon of Tolaria

Tolaria

Local-first, Git-native personal knowledge base with AI

  • Stars

    19,693

  • Last commit

    13 hours ago

  • License

    AGPL-3.0
A free, open source note-taking app built on plain Markdown files, Git version control, and direct AI model integration. No account required.

Open Source Alternative to:

Favicon of Obsidian
Obsidian
Favicon of Linkwarden

Linkwarden

Collaborative bookmark manager for teams and individuals

  • Stars

    19,684

  • Last commit

    2 days ago

  • License

    AGPL-3.0
Open-source platform to collect, organize, and preserve webpages with powerful collaboration features

Open Source Alternative to:

Favicon of Pocket
Pocket
Favicon of Rybbit

Rybbit

Understand your audience with privacy-first analytics.

  • Stars

    12,926

  • Last commit

    17 hours ago

  • License

    AGPL-3.0
Get next-gen, open-source, and cookieless web analytics. Understand user behavior with session replays, real-time data, and web vitals. GDPR/CCPA compliant.

Open Source Alternative to:

Favicon of Google Analytics
Google Analytics
Favicon of Scira

Scira

AI
Minimalistic AI-powered search engine for instant answers

  • Stars

    11,857

  • Last commit

    23 days ago

  • License

    AGPL-3.0
Scira delivers concise, AI-generated responses to queries using a clean interface and powerful search capabilities.

Open Source Alternative to:

Favicon of Perplexity
Perplexity
Favicon of Fluxer

Fluxer

Open source messaging with privacy and community focus

  • Stars

    10,176

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.

Open Source Alternative to:

Favicon of Discord
Discord
Favicon of Bifrost

Bifrost

AI
Ultra-fast AI gateway with enterprise-grade reliability

  • Stars

    7,805

  • Last commit

    5 hours ago

  • License

    Apache-2.0
Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.

Open Source Alternative to:

Favicon of OpenRouter
OpenRouter
Favicon of Agenta

Agenta

AI
Build, automate, and improve AI agents with your team

  • Stars

    4,683

  • Last commit

    5 hours ago

  • License

    MIT
Open-source workspace for building and running AI agents: chat-driven development, scheduling, human-in-the-loop approvals, versioning, and tracing. Self-host or use the cloud.

Open Source Alternative to:

Favicon of Claude Cowork
Claude Cowork
Favicon of Autumn

Autumn

Stripe payments, usage tracking, and paywalls in 3 functions

  • Stars

    2,663

  • Last commit

    6 hours ago

  • License

    Apache-2.0
Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.

Open Source Alternative to:

Favicon of Stripe Billing
Stripe Billing
Favicon of Kanri

Kanri

Simplify your workflow with offline Kanban boards

  • Stars

    2,018

  • Last commit

    9 hours ago

  • License

    GPL-3.0
Kanri is a free, open-source personal Kanban app that works offline, offering a modern and simple experience while respecting your privacy.

Open Source Alternative to:

Favicon of Jira
Jira
Favicon of Flowglad

Flowglad

AI
Cross-system automation and knowledge base for accounting firms

  • Stars

    1,722

  • Last commit

    4 months ago

  • License

    Unknown
Connects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.
Favicon of Zola

Zola

AI
AI chat companion with versatile model support

  • Stars

    1,530

  • Last commit

    9 months ago

  • License

    Apache-2.0
Open-source chat application that lets you interact with multiple AI models in one interface, offering flexible conversations and diverse capabilities.

Open Source Alternative to:

Favicon of Claude
Claude
Favicon of Databuddy

Databuddy

Privacy-first analytics without cookies or tracking

  • Stars

    1,143

  • Last commit

    8 hours ago

  • License

    AGPL-3.0
Get powerful web analytics with zero cookies, 100% GDPR compliance, and full data ownership. Lightweight 3KB script delivers real-time insights without compromising user privacy.

Open Source Alternative to:

Favicon of Google Analytics
Google Analytics
Favicon of UnInbox

UnInbox

Transform team email into efficient collaborative workflows

  • Stars

    1,758

  • Last commit

    7 months ago

  • License

    AGPL-3.0
Streamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management.

Open Source Alternative to:

Favicon of Gmail
Gmail
Favicon of Flow

Flow

Fast, secure browsing with powerful organization features

  • Stars

    1,070

  • Last commit

    3 months ago

  • License

    GPL-3.0
A modern browser combining minimalist design with smart features like profiles, spaces, and command palette. Full Chrome extension support and privacy-focused browsing.

Open Source Alternative to:

Favicon of Firefox
Firefox
Favicon of Contentport

Contentport

Your content engine for growing on Twitter at scale

  • Stars

    764

  • Last commit

    9 months ago

  • License

    AGPL-3.0
Create, schedule & manage Twitter content at scale with AI assistance, beautiful visuals, and multi-account support. Perfect for busy founders.

Open Source Alternative to:

Favicon of Post Bridge
Post Bridge
Favicon of Marble CMS

Marble CMS

Simple content management for modern sites

  • Stars

    383

  • Last commit

    13 hours ago

  • License

    AGPL-3.0
A headless CMS designed for blogs, changelogs, and articles. Features intuitive editor, team collaboration, media management, and API integration.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Reflet

Reflet

Turn user feedback into features that matter

  • Stars

    34

  • Last commit

    5 days ago

  • License

    SSPL-1.0
Collect feedback, prioritize with AI-powered voting, and share transparent roadmaps. Build products users love with automated triage and seamless integration.

Open Source Alternative to:

Favicon of Featurebase
Featurebase
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