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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 Best Vinted Scraper in 2026 — Honest Tools Comparison

KazKN

Apr 29

Best Vinted Scraper in 2026 — Honest Tools Comparison

#productivity #webscraping #opensource #apify

7 min read

Cover image for Giving an AI agent permission to spawn sub-agents (without losing control)

GDS K S

May 3

Giving an AI agent permission to spawn sub-agents (without losing control)

#ai #typescript #security #opensource

4 min read

Cover image for Vinted Scraper in Python — Honest Developer Guide (2026)

KazKN

Apr 29

Vinted Scraper in Python — Honest Developer Guide (2026)

#python #webscraping #opensource #apify

6 min read

Cover image for MoQ Support Is Now Available in Ant Media Server

Apr 29

MoQ Support Is Now Available in Ant Media Server

#streaming #webrtc #quic #opensource

4 min read

Cover image for I Built an AI Resume Optimizer While Job Hunting — Here’s What Actually Worked

Apr 29

I Built an AI Resume Optimizer While Job Hunting — Here’s What Actually Worked

#ai #webdev #opensource #career

2 min read

Olebeng

Apr 29

We audited the same codebase twice. The score went down. The audit got better. Here is why.

#security #devops #webdev #opensource

3 min read

Cover image for Building a Multi-Agent Travel Planner: From a One-Sentence Prompt to a Validated, Budget-Aware Itinerary

Palash1417

May 3

Building a Multi-Agent Travel Planner: From a One-Sentence Prompt to a Validated, Budget-Aware Itinerary

#ai #python #llm #opensource

8 min read

Justin Dah-kenangnon

Apr 29

Stop Typing "test@test.com" — Fill Any Form in One Click with FillKit

#webdev #productivity #testing #opensource

5 min read

kiwi_tech

Apr 29

Kiwi-chan's Slow & Steady Climb: Logs, Tables, and a LOT of Pruning! 🥝

#ai #minecraft #web3 #opensource

2 min read

Cover image for Milestone 4 Complete — OTLP HTTP Exporter for Heka Insights Agent

Apr 29

Milestone 4 Complete — OTLP HTTP Exporter for Heka Insights Agent

#python #opensource #devops #telemetry

2 min read

Cover image for Verify is not just true or false, granular outcomes on /verify

João André Gomes Marques

May 3

Verify is not just true or false, granular outcomes on /verify

#ai #python #security #opensource

1 min read

Steven Jieli Wu

Apr 29

Field Notes from a Solo Builder — Shipping the Beloved Claude Code Buddy Into the Wild - Part III

#opensource #buildinpublic #ai #devtools

3 min read

Cover image for Every rejection leaves a trail, persistent log of rejected attempts

João André Gomes Marques

May 3

Every rejection leaves a trail, persistent log of rejected attempts

#ai #python #security #opensource

2 min read

Aaromalpm

May 3

Skip Socket.io boilerplate — real-time chat in 3 lines 🚀

#node #javascript #opensource #webdev

1 min read

maruakshay

Apr 29

18 Ways Your LLM App Can Be Hacked (And How to Fix Them)

#ai #security #opensource #claude

3 min read

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