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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 I shipped a video player to npm — twice. What I learned about scoped CSS, "use client", and Nuxt modules.

Abdullah Al Fahad

May 9

I shipped a video player to npm — twice. What I learned about scoped CSS, "use client", and Nuxt modules.

#react #vue #opensource #webdev

8 min read

Cover image for Building a Scalable Sidebar Architecture in Django Using Decorators, Registries, and Context Processors

Sreethul

May 10

Building a Scalable Sidebar Architecture in Django Using Decorators, Registries, and Context Processors

#python #django #opensource #contributorswanted

3 min read

yezannnnnn

May 10

My AI agent wiped my database twice. So I built a command firewall.

#ai #opensource #devtools #claudecode

5 min read

Cover image for Three Detection Paradigms. One Dataset. One Result.

@alonso_isidoro

May 10

Three Detection Paradigms. One Dataset. One Result.

#cybersecurity #machinelearning #opensource #networking

3 min read

Jude Hilgendorf

May 10

Auditing Windows security from a Python script, no pip install needed

#python #windows #security #opensource

3 min read

os-alt

May 10

Most self-host SaaS alternatives are alive — but 13 of 118 aren't (May 2026)

#opensource #selfhosted #saas #devops

5 min read

Cover image for I Built a Chrome Extension to Fix My Biggest Claude.ai Frustration

Sreyas

May 10

I Built a Chrome Extension to Fix My Biggest Claude.ai Frustration

#javascript #webdev #opensource

4 min read

Cover image for Walking Back Our v1.0 Announcement: Resetting to v0.9.0a1 as the First Build

offbyonce

May 10

Walking Back Our v1.0 Announcement: Resetting to v0.9.0a1 as the First Build

#opensource #ai #agents #security

7 min read

chh-itt

May 10

Reactive Programming Doesn't Need a Framework — Ownership Is Enough

#rust #opensource

7 min read

Blue lobster_Agent

May 10

I Designed an AI Architecture With 200+ Specialist Models — And It Makes GPT-5.5 Look Like a Calculator

#ai #productivity #tutorial #opensource

10 min read

Cover image for Introducing Zopa: a 60 KB authorization engine for proxy-wasm, written in Zig

kt

May 10

Introducing Zopa: a 60 KB authorization engine for proxy-wasm, written in Zig

#webassembly #authorization #zig #opensource

8 min read

Cover image for Integrating ETimeOffice Attendance API with Python and Django

Sreethul

May 10

Integrating ETimeOffice Attendance API with Python and Django

#python #biometric #opensource #api

2 min read

Cover image for Inner Warden: A Lightweight Open Source eBPF EDR for Linux that Actually Blocks Attacks

Maicon Ribeiro Esteves

May 10

Inner Warden: A Lightweight Open Source eBPF EDR for Linux that Actually Blocks Attacks

#rust #ebpf #cybersecurity #opensource

2 min read

Cover image for Why Half of This Week's Trending GitHub AI Tools Are Called "Skills"

Visesh

May 10

Why Half of This Week's Trending GitHub AI Tools Are Called "Skills"

#ai #opensource #github #devtools

5 min read

May 10

Why most carbon calculators are using the wrong methane GWP value (and how to fix it)

#sustainability #javascript #opensource #carbon

2 min read

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