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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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ValeriiLindenPy

Sep 30 '25

🚀Looking for collaborators for MVP: Delimo – a sharing platform for Serbia (Java / Vue / Android)

#portfolio #opensource #java #beginners

2 min read

Hacktoberfest: Contribution Chronicles

Anderson Yu-Hong Cai

Oct 12 '25

PR-02 at Hacktoberfest: From Issue to Pull Request: Adding Windows Network Monitoring to SysMood

#hacktoberfest #opensource #cpp #funnytool

2 min read

Nov 3 '25

Writing Your First Compiler - Part 3: Lexical Analysis

#beginners #computerscience #tutorial #opensource

8 min read

Cover image for AuditTrailJS an open-source library for Node.js

Oct 1 '25

AuditTrailJS an open-source library for Node.js

#opensource #programming

1 min read

Cover image for Updating ASR examples in Hugging Face Transformers Hub datasets, clearer args, smoother Windows setup

OMOTAYO OMOYEMI

Sep 30 '25

Updating ASR examples in Hugging Face Transformers Hub datasets, clearer args, smoother Windows setup

#python #opensource #huggingface #nlp

2 min read

Oct 1 '25

Logger in opencode codebase.

#opensource #cli #logger

3 min read

Cover image for How Verdent Deck Supercharged My Workflow - Building Apps with Multiple AI Agents in Parallel

Nov 4 '25

How Verdent Deck Supercharged My Workflow - Building Apps with Multiple AI Agents in Parallel

#webdev #ai #opensource #productivity

5 min read

Fabián Guamán Flores

Nov 4 '25

Build Interactive Node-Based Diagrams with fg-next-draw-canvas: A React Developer's Guide

#react #npm #opensource #typescript

7 min read

Cover image for From Excitement to Silence: What Building My First Open Source Project Taught Me

Nov 2 '25

From Excitement to Silence: What Building My First Open Source Project Taught Me

#learning #opensource

4 min read

Cover image for Building a Lighthouse Performance Monitor: Tracking Web Performance Over Time

cenk

Nov 2 '25

Building a Lighthouse Performance Monitor: Tracking Web Performance Over Time

#opensource #siteoptimization #siteperformance #lighthouse

5 min read

Suhani Pasricha 23BCE2235

Oct 4 '25

I Made an AI Document Analyzer So You Don’t Have To (But You’ll Probably Want To)

#showdev #python #opensource #ai

3 min read

Cover image for ErrExplain: Turning Confusing Errors into Clear Fixes 🚀

Abhi Varde

Oct 3 '25

ErrExplain: Turning Confusing Errors into Clear Fixes 🚀

#opensource #aisdk #vercel #appwritehack

2 min read

Nov 3 '25

Day 1 of building Secrin

#ai #architecture #opensource #github

1 min read

Nov 4 '25

From AI Chaos to Context Engineering: Lessons from Building Packmind OSS

#tooling #ai #productivity #opensource

2 min read

Cover image for 6 Merged PRs, 6 Different Projects, 583 Lines of Code: My Hacktoberfest 2025 Story

Hacktoberfest: Contribution Chronicles

Nov 1 '25

6 Merged PRs, 6 Different Projects, 583 Lines of Code: My Hacktoberfest 2025 Story

#hacktoberfest #opensource #github #devchallenge

9 min read

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