Categories
Each category includes an editorial summary and hand-picked tools that meet our inclusion bar: open license, real maintenance, and practical usefulness.
50 tools
Operating Systems
Linux distributions and BSD systems for desktop, server, and specialized roles.
20 tools
Web Browsers
User agents for the open web with strong privacy and standards alignment.
15 tools
Office & Productivity
Documents, spreadsheets, and presentations without proprietary lock-in.
49 tools
Notes & Knowledge
Markdown notes, PKM, and self-hosted knowledge bases.
19 tools
Communication & Collaboration
Chat, federated messaging, and team collaboration platforms.
7 tools
Desktop and mobile clients for open standards (IMAP/JMAP).
18 tools
File Sync & Storage
Peer sync, self-hosted clouds, and object storage APIs.
19 tools
Media Players
Playback engines for local and streaming media with broad codec support.
95 tools
Developer Tools
Languages, compilers, Git, and everyday engineering utilities.
59 tools
IDEs & Editors
Code editors and integrated development environments.
16 tools
Version Control & DevOps
Git hosting, CI/CD, and infrastructure automation under open licenses.
21 tools
Containers & Virtualization
OCI containers, Kubernetes, and virtualization stacks.
5 tools
Databases
Relational, document, and embedded databases with clear FOSS licensing.
122 tools
Security & Privacy
Encryption, analysis, and foundational TLS/crypto libraries.
9 tools
Password Managers
Encrypted credential storage with sync and self-host options.
38 tools
Networking & Remote Access
SSH, VPNs, HTTP servers, and essential networking utilities.
54 tools
Self-Hosting & Homelab
Automation, media, DNS filtering, and dashboards you run yourself.
23 tools
Video Tools
Streaming, editing, and transcoding with open pipelines.
48 tools
Graphics & Design
Raster, vector, and digital painting without subscription suites.
4 tools
Photography
RAW development, DAM workflows, and batch processing.
13 tools
3D, CAD & Modeling
3D creation, CAD, and PCB design under open licenses.
10 tools
Audio Tools
Editing, DAW workflows, and music production.
6 tools
Data Science
Notebooks, numerical Python, and statistical computing.
181 tools
AI & Machine Learning
Frameworks and inference tooling with transparent licenses.
13 tools
Automation & Scripting
Config management, shell automation, and glue languages.
24 tools
Project Management
Issues, boards, and roadmaps you can self-host.
14 tools
CMS & Website Platforms
Publishing from blogs to enterprise portals.
23 tools
Education & Learning
LMS and virtual classroom infrastructure.
2 tools
Accessibility
Assistive technology on the open stack.
6 tools
Mobile Apps
FOSS Android apps and open distribution (F-Droid).
27 tools
Gaming & Game Development
Game engines and notable open games.
177 tools
System Utilities
Archives, disks, benchmarks, and terminal productivity.
13 tools
Backup & Recovery
Encrypted, deduplicating backups with restore discipline.
19 tools
Monitoring & Observability
Metrics, logs, dashboards, and enterprise monitoring.
13 tools
Finance & accounting
Invoicing, bookkeeping, and personal finance you can self-host.
7 tools
ERP & operations
ERP, inventory, POS, and small-business operations suites.
1 tools
Event management
Self-hosted ticketing, registration, and event operations.
12 tools
CRM & customer support
CRM, help desk, ticketing, and shared team inboxes.
7 tools
E-commerce
Storefronts, carts, and headless commerce stacks.
6 tools
Web analytics
Privacy-oriented analytics for sites and apps.
4 tools
Forums & community
Discussion boards, federated forums, and social hubs.
3 tools
Backend as a service
Self-hosted auth, APIs, realtime, and storage backends for applications.
7 tools
Document management
EDMS, scanning workflows, and enterprise file organization.
16 tools
Archiving & digital preservation
Digital preservation workflows, archival description, cultural collections, and research repositories.
2 tools
Data integration
ELT, CDC, and event ingestion into warehouses and lakes.
1 tools
Email newsletters
Mailing lists, campaigns, and transactional-friendly list management.
3 tools
Low-code platforms
Internal tools, spreadsheet UIs, and rapid CRUD on existing databases.
3 tools
Surveys & feedback
Branching surveys, forms, and product feedback you can self-host.
2 tools
Scheduling & booking
Public booking pages and appointment flows on your own stack.
1 tools
Marketing automation
Campaigns, segments, and lead nurture on open platforms.
8 tools
Federated social
ActivityPub and open protocols for feeds, photos, and community hubs.
6 tools
PaaS & deployment
Self-hosted app platforms with git-style deploys and managed routing.
1 tools
IT asset management
Hardware, licenses, and inventory tracking for IT operations.