Open Source Page 210 - DEV Community

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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).

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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Eva

Jul 31

#How I built an automated digital product workflow with Payhip,Make,Telegram and Notion

#automation #nocode #productivity #opensource

1 min read

Rigby for Mercur

Jul 31

What Is a Marketplace Buy Box and How It Works

#ecommerce #marketplace #medusa #opensource

5 min read

Konstantin

Jul 29

How I Solved Double-Booking Race Conditions in a Multi-Tenant SaaS — No Redis, No Distributed Locks

#postgres #database #opensource #webdev

5 min read

Sepehr

Jun 27

I hooked up Trading212 to Home Assistant and now Alexa tells me if I'm up or down every morning

#homeassistant #javascript #opensource #webdev

2 min read

Jul 29

Six articles, 200 views. So I read the feed's source code.

#discuss #writing #meta #opensource

5 min read

Jul 31

The Modern Developer Playbook: Building, Shipping, and Scaling in Public

#programming #tutorial #beginners #opensource

5 min read

Jul 30

The AI-memory benchmark everyone quotes forbids saying “I don't know”

#discuss #ai #rag #opensource

7 min read

Dmitry Bychinsky

Jul 1

LLM Thinks in Tokens

#ai #designsystem #design #opensource

9 min read

Jun 27

How to Track Data Pipeline Dependencies Automatically with DataLineage

#opensource #python #datalineage #tutorial

5 min read

umbra

Jun 26

Day 6: my language now compiles to WebAssembly — and I emit the bytes by hand

#webassembly #compiler #ailang #opensource

3 min read

Jun 26

How I Built a Live-Updating Line Chart Widget for Tkinter Without Any External Dependencies

#python #tkinter #customtkinter #opensource

4 min read

Arjun Shah

Jun 26

I Built a Prompt Compressor That Saves 65% on LLM Costs — Here's the Story

#ai #llm #opensource #python

2 min read

Jul 30

I checked every MCP server in the official registry. A quarter of them are unusable.

#mcp #ai #devops #opensource

5 min read

Jul 31

LibreFang 2026.7.31 Released

#rust #ai #opensource #release

8 min read

ibrahim kobeissy

Jun 26

I built a compiler for how AI agents should write to you

#ai #productivity #opensource #obsidian

3 min read

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