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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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udaysaai

May 5

How we achieved 970 RPS on AI agent discovery — a complete benchmark report

#agents #networking #opensource #performance

1 min read

Cover image for Yames - Yet Another Metronome Everyone Skips

Alberto Delgado

May 4

Yames - Yet Another Metronome Everyone Skips

#showdev #opensource #rust #music

2 min read

Ugax

May 9

How I built a secure, E2E encrypted file-sharing app at 16 (Next.js + Supabase)

#showdev #beginners #opensource #javascript

1 min read

May 4

SignalHop: the acoustic mesh networking stack that talks through sound

#networking #iot #python #opensource

2 min read

May 4

0 votes on Product Hunt, 15 upvotes on Indie Hackers — what the comments taught me that the launch didn't

#startup #opensource #mcp #marketing

6 min read

Cover image for Tired of overpaying for emails, I built Senddock: A Self-Hostable Email API and Campaign Platform

Sebastian Vargas

May 5

Tired of overpaying for emails, I built Senddock: A Self-Hostable Email API and Campaign Platform

#opensource #marketing #docker #selfhosted

2 min read

Kyle

May 5

I built burner-bouncer: a zero-dependency disposable email detector for JavaScript and Python

#opensource #javascript #python #webdev

1 min read

Cover image for One Open Source Project a Day (No. 56): OpenHands - The All-Powerful Open Source AI Software Engineer

WonderLab

May 5

One Open Source Project a Day (No. 56): OpenHands - The All-Powerful Open Source AI Software Engineer

#opensource #agents #docker #ai

4 min read

Wannavf

May 9

MCP Sentinel v1.0 Is Out: A Lockfile for MCP Tool Schemas

#ai #mcp #devtools #opensource

3 min read

Cover image for I turned my Trilium docs into an AI-assisted site with one JS file

Tulasinath Reddy

May 5

I turned my Trilium docs into an AI-assisted site with one JS file

#javascript #ai #opensource #webdev

5 min read

Crucible Security

May 5

Why Debugging AI Feels So Different (And Harder)

#ai #opensource #cybersecurity #security

2 min read

Cover image for Top Flutter Contributors from Pakistan in 2026

May 4

Top Flutter Contributors from Pakistan in 2026

#flutter #dart #opensource #pakistan

4 min read

Cover image for Orbis: Turn Any GitHub Repository Into an Interactive 3D Dependency Graph

May 9

Orbis: Turn Any GitHub Repository Into an Interactive 3D Dependency Graph

#devtools #ai #machinelearning #opensource

6 min read

May 5

endpoint-tester Now Supports 12 Frameworks — Here's What Changed in Three Weeks

#opensource #testing #typescript #webdev

4 min read

Hosaina Yirgalem

May 4

I built a CLI that scans, validates and audits your .env files and it works with any stack

#go #devops #opensource #security

2 min read

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