All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
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EspoCRM
CRM · Ecommerce · Marketing
Open-source CRM platform with metadata-driven customization, field-level permissions, and a full REST API — deploy on your own infrastructure.
Mastodon
Social Media
Run your own federated social network on the open ActivityPub standard with no ads, no algorithms, and no corporate control over your community.
Nextcloud Server
Collaboration · File Storage
Your own private cloud: self-hosted file sync, collaboration, and communication with no vendor lock-in.
Kimai
Invoicing Finance · Project Management
Professional open-source time tracking with invoicing, multi-user support, SAML/LDAP auth, and a full REST API—self-host it or use the cloud.
ToolJet
AI Agents · Low Code Platforms · No Code Platforms
Open-source AI-native platform to build and deploy internal tools, workflows, and AI agents with a visual drag-and-drop builder and 80+ data source integrations.
Fleetbase
Logistics
Modular open-source logistics and supply chain operating system
FreeScout
Customer Support
Run your own help desk and shared inbox — a fully self-hosted, open-source alternative to Zendesk and Help Scout with no per-agent fees.
RustDesk
Networking
Open-source, self-hosted remote desktop built in Rust — your data, your infrastructure, no third-party cloud.
Pixelfed
Social Media
A decentralized, self-hosted photo sharing platform built on ActivityPub for the open Fediverse.
SillyTavern
AI Assistants
The power-user LLM frontend that unifies dozens of AI backends with a rich scripting engine, immersive Visual Novel mode, and a thriving extension ecosystem.
Leantime
Collaboration · Productivity · Project Management
Project management built for ADHD, autism, and dyslexia — simple as Trello, powerful as Jira
LearnHouse
CMS · Learning Management
Open-source LMS with AI tutoring, real-time collaboration boards, live code execution, and built-in course monetization — self-hosted in minutes.
Omnivore
Bookmarks Archiving · Knowledge Management · Note Taking
Self-hosted read-it-later platform with highlights, newsletters, PDFs, and seamless Obsidian and Logseq integration.
Passbolt API
Password Manager · Security
Self-hosted, end-to-end encrypted password manager API built for teams who demand full ownership of their credentials.
Twake Drive
Collaboration · File Storage
Open-source, self-hosted file manager with collaborative drives, AI-powered summarization, and OnlyOffice document editing for teams who want full data sovereignty.
Lemmy
Community · Social Media
Federated, self-hosted Reddit alternative with full community ownership and no corporate control.
ParadeDB
Analytics · Databases · Search
Born out of Y Combinator's S2023 batch, ParadeDB is a Postgres extension that delivers Elasticsearch-quality BM25 search and real-time analytics without a separate search cluster to manage.
Skyvern
AI Agents · Automation
Skyvern (YC S2023) automates browser-based workflows by pairing LLMs with computer vision, letting agents click, fill, and extract data on sites they've never seen, without brittle XPath selectors that break on every layout change.
Tracecat
AI Agents · Automation · Security
Open-source agentic security automation platform that runs AI agents and durable workflows at scale with sandboxed execution.
Vaultwarden
Password Manager · Security
Unofficial Bitwarden-compatible server in Rust — run the full Bitwarden ecosystem on a Raspberry Pi using every official client you already have, without the multi-container overhead.
DocuSeal
Digital Signiture
Open source document signing platform with WYSIWYG PDF builder, multi-party workflows, REST API, and full self-hosting via Docker.
overleaf
Collaboration · Productivity
Open-source, real-time collaborative LaTeX editor with sandboxed compilation and full TeXLive support for self-hosted academic and research teams.
OpenViking
AI Development · AI Memory · Databases
An open-source context database that gives AI agents a unified filesystem for memory, resources, and skills with hierarchical tiered retrieval.
Shadowbroker
Analytics · Monitoring · Security
Self-hosted OSINT dashboard that fuses 60+ live intelligence feeds — flight tracking, ship AIS, satellites, CCTV, seismic and radio networks — into one real-time map, with an agent-ready command channel for AI co-analysts.