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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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Nov 11

Analysing European Soccer Data with Deepnote in Windsurf IDE

#data #deepnote #opensource #soccer

7 min read

Cover image for No More Broken Image Paths! Meet assets-mapper for React & Next.js 🚀

Oct 9

No More Broken Image Paths! Meet assets-mapper for React & Next.js 🚀

#react #nextjs #npm #opensource

2 min read

Cover image for Qualcomm acquires Arduino to accelerate developer access to AI solutions

Oct 9

Qualcomm acquires Arduino to accelerate developer access to AI solutions

#news #ai #opensource #iot

2 min read

Cover image for Can/Will LLMs Learn to Reason?

Can Mingir for Centaur AI

Nov 12

Can/Will LLMs Learn to Reason?

#ai #machinelearning #opensource #llm

1 min read

Hacktoberfest: Maintainer Spotlight

Sergiy Yevtushenko

Oct 8

Pragmatica Lite

#devchallenge #hacktoberfest #opensource

1 min read

Cover image for Federated app store for self-hosted AI agents (Apache-2.0)

Brandon Bennett

Nov 5

Federated app store for self-hosted AI agents (Apache-2.0)

#ai #opensource

1 min read

Cover image for Not All OSS Is Created Equal

Hacktoberfest: Open Source Reflections

dejanualex

Oct 8

Not All OSS Is Created Equal

#devchallenge #hacktoberfest #opensource #beginners

4 min read

Harshal Rembhotkar

Oct 8

SigNoz case study

#monitoring #devops #opensource #tooling

3 min read

Bewaker AI

Oct 7

Building Cryptographic Guardrails for AI-Assisted Coding

#vscode #security #ai #opensource

3 min read

Ankit Anand ✨ for SigNoz

Nov 12

Top 9 Lightstep (ServiceNow) Alternatives in 2025 (And How to Migrate)

#monitoring #opensource #tooling

12 min read

Cover image for Python Variables & Data Types Explained

Godfrey Omoregie

Oct 8

Python Variables & Data Types Explained

#python #programming #beginners #opensource

1 min read

Cover image for Building a cross-platform File Watcher in Go: What I learned from scratch

Asoseil

Nov 9

Building a cross-platform File Watcher in Go: What I learned from scratch

#go #opensource #tutorial #github

4 min read

Hacktoberfest: Maintainer Spotlight

Sergiy Yevtushenko

Oct 8

Vibe Ensemble MCP Server

#devchallenge #hacktoberfest #opensource

1 min read

Cover image for One Country, Two Internets: How Edge Computing Solves Brazil's Connectivity Crisis

Nov 11

One Country, Two Internets: How Edge Computing Solves Brazil's Connectivity Crisis

#iot #opensource #braziliandevs

4 min read

Cover image for How a 3-Day Hike on the Camino de Santiago Led Me to Build My Own Mapping Tool

Oct 10

How a 3-Day Hike on the Camino de Santiago Led Me to Build My Own Mapping Tool

#cli #node #kml #opensource

3 min read

Cover image for Pictera.co — Generate clean Open Graph images for your links

Oct 8

Pictera.co — Generate clean Open Graph images for your links

#showdev #tooling #webdev #opensource

1 min read

Cover image for Man gets drunk, vibe codes AI Only forum.

Nov 10

Man gets drunk, vibe codes AI Only forum.

#ai #python #opensource

8 min read

Cover image for Building a Lightweight Camunda Monitoring Dashboard: From Enterprise Pain to Open Source Solution

Nov 9

Building a Lightweight Camunda Monitoring Dashboard: From Enterprise Pain to Open Source Solution

#camunda #devops #monitoring #opensource

7 min read

CESAR NIKOLAS CAMAC MELENDEZ

Nov 11

🌐 Build Your Own MCP Server — and Connect It to Any MCP Client (Claude, VSCode, GitHub, and More)

#ai #developers #opensource #programming

3 min read

Hacktoberfest: Open Source Reflections

Oct 31

💡Open Source, Open Mind: My Hacktoberfest 2025 Reflection as a First-Time Contributor

#devchallenge #hacktoberfest #opensource

3 min read

Oct 8

What is `isomorphic-unfetch`?

#opensource #meshery #isomorphic #unfetch

3 min read

Cover image for Day 26 of My 90 Days Python Series – Age Calculator 🧮

momina raheel (Moona)

Oct 8

Day 26 of My 90 Days Python Series – Age Calculator 🧮

#programming #beginners #python #opensource

3 min read

Oct 7

Accidentally Made a Zig dotenv Parser

#discuss #zig #programming #opensource

3 min read

Hacktoberfest: Contribution Chronicles

Anderson Yu-Hong Cai

Oct 9

PR-01 at Hacktoberfest: Google Maps E2E Testing — for hackathon-starter

#hacktoberfest #opensource #e2etest #javascript

4 min read

Wendy

Oct 7

An AI Video Transcriber Tool That Developers Actually Use (800+ Stars and 100+ Forks)

#opensource #programming #tooling

1 min read

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