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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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Jan 31

Building a regime-switching particle filter in Rust — from Kalman 1960 to rayon-parallelized Monte Carlo

#rust #python #machinelearning #opensource

5 min read

Jan 18

Just open sourced a dating platform under a custom OSI-compatible license (CPL-1.0) — would love feedback on the license itself

#opensource

2 min read

Cover image for Making AI Data Flows Visible: Building an Open-Source Tool to Understand SaaS & LLM Data Risk

Jan 18

Making AI Data Flows Visible: Building an Open-Source Tool to Understand SaaS & LLM Data Risk

#ai #dataengineering #privacy #opensource

3 min read

Feb 21

Stop Writing Form Boilerplate in Flutter — I Built form_forge

#flutter #dart #opensource #codegen

1 min read

Cover image for I built Workflow Automation Platform (only vibe code it) - Looking for Feedback

yureka

Jan 18

I built Workflow Automation Platform (only vibe code it) - Looking for Feedback

#showdev #webdev #opensource #automation

2 min read

Cover image for 9+ Best Free Shadcn Date Picker Components for React and Next.js in 2026

Vaibhav Gupta for Wrappixel

Feb 21

9+ Best Free Shadcn Date Picker Components for React and Next.js in 2026

#react #shadcn #webcomponents #opensource

7 min read

choutos

Feb 10

The Computer Finally Learned to Listen

#opensource #ai #linux #philosophy

6 min read

Tyson Cung

Feb 19

How I Built a Type-Safe Excel Library with Zod

#typescript #zod #opensource

4 min read

Cover image for Working With AI Tools on a New Library

Sarkis M

Feb 20

Working With AI Tools on a New Library

#ai #opensource #webdev #typescript

4 min read

Feb 21

I Built 186 AI Agent APIs in a Weekend — Here's What I Learned About x402 Micro-Payments

#webdev #ai #crypto #opensource

6 min read

Cover image for Addressing Algorithmic Bias in Resume Screening: PRAETOR v5.5 (Experimental)

Saimonsan

Feb 10

Addressing Algorithmic Bias in Resume Screening: PRAETOR v5.5 (Experimental)

#ai #productivity #opensource #testing

2 min read

Cover image for NF-1: How I Built a Resource-Zero Programming Language for Low-End Hardware at Age 14.

Aditya Rai

Feb 21

NF-1: How I Built a Resource-Zero Programming Language for Low-End Hardware at Age 14.

#programming #opensource #iot #machinelearning

2 min read

Cover image for Why I chose MedusaJS over building ecommerce from scratch

Feb 20

Why I chose MedusaJS over building ecommerce from scratch

#webdev #javascript #backend #opensource

6 min read

Jan 18

Why Your AI Agents Fail in Production (And How to Fix It)

#ai #opensource #python #productivity

2 min read

Cover image for I Built 4,882 Self-Healing AI Agents on 8 GB VRAM — Here's the Architecture

Feb 21

I Built 4,882 Self-Healing AI Agents on 8 GB VRAM — Here's the Architecture

#ai #python #opensource #machinelearning

4 min read

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