All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
Sort:Health Score
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.
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.
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.
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.
Fleetbase
Logistics
Modular open-source logistics and supply chain operating system
Passbolt API
Password Manager · Security
Self-hosted, end-to-end encrypted password manager API built for teams who demand full ownership of their credentials.
Pixelfed
Social Media
A decentralized, self-hosted photo sharing platform built on ActivityPub for the open Fediverse.
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.
Leantime
Collaboration · Productivity · Project Management
Project management built for ADHD, autism, and dyslexia — simple as Trello, powerful as Jira
Omnivore
Bookmarks Archiving · Knowledge Management · Note Taking
Self-hosted read-it-later platform with highlights, newsletters, PDFs, and seamless Obsidian and Logseq integration.
solidtime
Invoicing Finance · Productivity
Modern open-source time tracker for freelancers and agencies with invoicing, multi-org support, and Toggl/Clockify migration built in.
overleaf
Collaboration · Productivity
Open-source, real-time collaborative LaTeX editor with sandboxed compilation and full TeXLive support for self-hosted academic and research teams.
drawDB
Databases
Design database schemas visually in your browser and export executable SQL for any major database — no account required.
Hyvor Relay
AI Development · Devops · Monitoring
Self-hosted, open-source email API that automates DNS, manages SMTP delivery, and provides deep observability — replacing SES, Mailgun, and SendGrid with infrastructure you fully own.
LinkStack
Marketing
Self-hosted, privacy-focused Linktree alternative with themes, analytics, and a drag-and-drop admin panel.
tirreno
Monitoring · Security
Embed security inside your product — detect threats, fraud, and abuse in real time at the application layer
Crater
Invoicing Finance
Open source invoicing and billing platform for freelancers and small businesses — create estimates, track expenses, accept Stripe payments, and run recurring invoices from your own server.
Social Analyzer
Security
Find and analyze a person's digital footprint across 1000+ social media platforms using multi-layer detection, OCR, and metadata extraction.
QRev
AI Agents · CRM
Open source AI-first sales platform that replaces Salesforce with autonomous agents handling prospecting, outreach, and lead management at scale.
ST3GG
Developer Tools · Security
The ultimate open-source steganography suite — hide anything in any file using 100+ encoding techniques, detect it all, and run everything 100% in your browser.
Vanguard Backup
Devops
Self-hosted backup automation for Ubuntu and Debian servers with S3 storage, SSH-based file and database backup, and multi-channel notifications.
MyApi
AI Agents
A privacy-first personal API gateway for AI agents — connect your services once, issue scoped tokens to agents like OpenClaw, Hermes, or Claude Code, and keep a full audit trail instead of scattering raw credentials across .env files.