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Open Source

May The Source Be With You! Articles about Open Source and Free Software as a philosophy, and its application to software development and project management.

submission guidelines

UPDATED APRIL 8, 2020

To keep this tag clean and meaningful, please ensure your post fits into at least one of the following categories:

Organizing, managing, running, or working in an Open Source project.
Open Source philosophy, licensing, and/or practical and legal topics thereof.
Advocacy and adoption of Open Source philosophy.

DO NOT use this tag if you are simply using technologies which happen to be open source.

You should NOT use this tag for any of the following:

Promoting open source projects, such as feature lists or announcements. (Use #news or Listings.)
Contributor requests. (Use #contributorswanted or Listings.)
Tutorials/articles that happen to use an open source tool. (Use appropriate technology tags.)
Showing off something you've built that happens to be open source. (Use the #showdev tag.)
Sharing lists of open source projects. (Use #githunt or the appropriate technology tags.)

Projects must comply with the Open Source Definition (see below) to legally use the term "open source".

As all "Free Software" officially complies with the standards of Open Source anyway, this tag covers both (collectively, FOSS).

about #opensource

Open Source is so much more than "you can read the code". It is formally defined by the Open Source Initiative.

"Open Source" should not be confused with the similar Free Software, which is defined by the Free Software Foundation. Generally, all Free Software is also Open Source, and the two camps often cooperate; however, the concepts are distinct! (The tags are merged here on DEV.to for simplicity, however.)

Open Source Hardware is defined and overseen by the Open Source Hardware Assocation

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Cover image for Thank You, FluxCD: How it helps us, and how you can use it too!

Severin Neumann for Causely

Dec 18 '25

Thank You, FluxCD: How it helps us, and how you can use it too!

#fluxcd #opentelemetry #opensource

9 min read

Cover image for Open Source AI tool that gives your coding agents DevOps superpowers

Dec 15 '25

Open Source AI tool that gives your coding agents DevOps superpowers

#ai #devops #aws #opensource

2 min read

Cover image for Geolocate any IP using latency

Dmitriy A. for Globalping

Dec 15 '25

Geolocate any IP using latency

#networking #opensource #network #tooling

7 min read

Cover image for Day 25 of improving my Data Science skills

Sylvester Promise

Dec 15 '25

Day 25 of improving my Data Science skills

#discuss #ai #productivity #opensource

1 min read

Cover image for 🛠️ I Got Tired of Using 10 Different Websites — So I Built One

axevora

Dec 15 '25

🛠️ I Got Tired of Using 10 Different Websites — So I Built One

#ai #productivity #opensource #startup

1 min read

Dmitry Labintcev

Jan 6

SENTINEL Platform — Complete AI Security Toolkit (2026 Update Log)

#aisecurity #llm #security #opensource

19 min read

Cover image for Bifrost: The Fastest LLM Gateway for Production-Ready AI Systems (40x Faster Than LiteLLM)

Hadil Ben Abdallah

Jan 13

Bifrost: The Fastest LLM Gateway for Production-Ready AI Systems (40x Faster Than LiteLLM)

#ai #llm #opensource #go

6 min read

Cover image for A Thank You to WordPress, open source – and a little thing I’ve been building

Dec 27 '25

A Thank You to WordPress, open source – and a little thing I’ve been building

#wordpress #opensource #ai

2 min read

Cover image for Why I Built an Offline Pre-Audit Platform for Supply Chain Security (Before Scanning or Pentesting)

Nelson

Dec 15 '25

Why I Built an Offline Pre-Audit Platform for Supply Chain Security (Before Scanning or Pentesting)

#security #infosec #opensource #cicd

1 min read

Poly scan

Dec 15 '25

Building PolyScan: Free CC0 PBR Textures & 3D Models for Real Projects

#gamedev #unity3d #3dmodling #opensource

1 min read

Dec 15 '25

OptaPlanner in Action: Building Smarter Planning and Scheduling Systems

#ai #java #opensource

4 min read

Water Run

Dec 15 '25

luainstaller 2.0: Package Your .lua Scripts into Native Binaries

#lua #linux #python #opensource

2 min read

Jan 12

🌈 Looking for help if possible: I’m Stuck on My TrackMyHRT App (Medication + Symptom Tracker)

#discuss #programming #python #opensource

2 min read

Cover image for My $5/month RAG System Now Beats $200 Solutions - Hybrid Search, Reranking & Dashboard

Jan 13

My $5/month RAG System Now Beats $200 Solutions - Hybrid Search, Reranking & Dashboard

#architecture #cloudflare #database #opensource

4 min read

Dec 19 '25

I built a CLI to check if your GitHub repository is complete

#github #cli #javascript #opensource

1 min read

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