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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 Why Africa’s Digital Future Depends on Free and Open Source Software (FOSS) and Linux

Dominique ADABI

Oct 16

Why Africa’s Digital Future Depends on Free and Open Source Software (FOSS) and Linux

#opensource #linux

4 min read

xuri

Oct 17

Excelize 2.10.0 Released - Powerful open-source library for spreadsheet (Excel) document

#go #excel #excelize #opensource

3 min read

Cover image for How Microsoft Agent Framework + AG-UI Enable Agentic UX & Generative UI

Nathan Tarbert for CopilotKit

Nov 20

How Microsoft Agent Framework + AG-UI Enable Agentic UX & Generative UI

#webdev #ai #programming #opensource

3 min read

Cover image for I kept rewriting AI orchestration code, so I built dagengine

Nov 6

I kept rewriting AI orchestration code, so I built dagengine

#typescript #ai #opensource #tutorial

4 min read

Cover image for Contribution Chronicles: My Epic Hacktoberfest 2025 Adventure 🚀

Hacktoberfest: Contribution Chronicles

Oct 31

Contribution Chronicles: My Epic Hacktoberfest 2025 Adventure 🚀

#devchallenge #hacktoberfest #opensource #programming

3 min read

Cover image for Partition-Based Parallel Data Loading: An Architectural Practice for Improving Mass Data Import Efficiency

Oct 16

Partition-Based Parallel Data Loading: An Architectural Practice for Improving Mass Data Import Efficiency

#mysql #mysqlheatwave #opensource #ai

6 min read

Cover image for frameit.dev - fast and free video thumbs, title cards and OG images

Ed Spencer

Nov 17

frameit.dev - fast and free video thumbs, title cards and OG images

#opensource #frameit #react #typescript

4 min read

Oct 17

`ultrahtml` library in Nitro codebase.

#html #opensource #nitro #ast

2 min read

Phil Yeh

Nov 20

5 Python Tools I Built to Automate My Industrial IoT Workflow (Open Source)

#python #automation #productivity #opensource

3 min read

Cover image for Image Labeling Tools: A Simple Guide for Beginners

Sohan Lal

Oct 17

Image Labeling Tools: A Simple Guide for Beginners

#ai #opensource #webdev #computervision

5 min read

Tajudeen Abdulgafar

Nov 7

Leveling Up With Automated Testing

#webdev #testing #opensource

3 min read

Cover image for Building a Cross-Platform CLI Tool with TypeScript

Oct 29

Building a Cross-Platform CLI Tool with TypeScript

#typescript #javascript #cli #opensource

2 min read

tiramisu-framework

Oct 29

Building Tiramisu: An Open-Source Multi-Expert RAG Framework for Marketing Consultancy

#ai #python #opensource #rag

3 min read

Cover image for NocoBase Weekly Updates: Optimization and Bug Fixes

NocoBase

Oct 16

NocoBase Weekly Updates: Optimization and Bug Fixes

#news #opensource #lowcode #nocode

4 min read

Hacktoberfest: Maintainer Spotlight

Jessica Temporal

Oct 17

Contribua com o GitFichas

#hacktoberfest #ai #git #opensource

3 min read

Hacktoberfest: Maintainer Spotlight

Jessica Temporal

Oct 17

Contribute to GitFichas

#hacktoberfest #ai #git #opensource

2 min read

Cover image for Python 3.14 Free-Threading True Parallelism Without the GIL

Nov 7

Python 3.14 Free-Threading True Parallelism Without the GIL

#python #programming #aws #opensource

3 min read

Nov 9

Alternate reality without open source linux

#linux #opensource #chatgpt

1 min read

Nov 20

Why I Ditched ChatGPT and Cursor for OpenCode: A Smarter, Cheaper Way to Build AI Agents

#ai #opensource #cli #programming

4 min read

Cover image for 🚀 Introducing eXo Platform 7.1: A More Intuitive, Open-Source Digital Workplace for Developers & Teams

Nov 20

🚀 Introducing eXo Platform 7.1: A More Intuitive, Open-Source Digital Workplace for Developers & Teams

#opensource #java #productivity #sharepoint

2 min read

Stelixx Insider

Nov 8

EdgeVPN: A Decentralized P2P VPN Solution

#architecture #networking #opensource #security

1 min read

Cover image for Build Multi-Agent Systems Using the Agents as Tools Pattern

Laura Salinas for AWS

Nov 18

Build Multi-Agent Systems Using the Agents as Tools Pattern

#aws #beginners #learning #opensource

6 min read

Hacktoberfest: Contribution Chronicles

Hitesh Sachdeva

Oct 28

HactoberFest's Week 3: Fixing a Type-Casting Issue in Kestra’s Chunk Pebble Filter

#opensource #backend #java #hacktoberfest

3 min read

CESAR NIKOLAS CAMAC MELENDEZ

Nov 6

🚀 Meet Telelinker: A CLI Tool to Extract and Analyze Links from Telegram Groups

#python #cli #opensource #telegram

3 min read

Cover image for Building a Culture of Documentation Quality in CI/CD

Kazu

Oct 28

Building a Culture of Documentation Quality in CI/CD

#markdown #cicd #documentation #opensource

5 min read

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