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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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R

Mar 15

I built the personal AI that OpenClaw should have been

#ai #opensource #selfhosted #python

5 min read

Mar 5

My open source developer tool, Webprobe

#opensource #webdev #cli #rust

1 min read

Mar 5

My first Dev.to post: building a deterministic codemod engine (Dennis Forge)

#opensource #programming #python #devtools

2 min read

Mar 5

Why Anthropic’s "Agent Teams" is missing the most important part: Governance.

#ai #agents #vibecoding #opensource

2 min read

Cover image for I Built an Open Protocol Standard for Air Quality Data — And Anyone Can Run a Node in 3 Minutes

BXP

Mar 9

I Built an Open Protocol Standard for Air Quality Data — And Anyone Can Run a Node in 3 Minutes

#showdev #data #iot #opensource

3 min read

Cover image for Your AI App Will Never Crash Again: Building High Availability with LiteLLM

Thamindu Hatharasinghe

Mar 5

Your AI App Will Never Crash Again: Building High Availability with LiteLLM

#ai #opensource #architecture #python

2 min read

laguia

Mar 5

State of Financial Data APIs -- March 2026: How Agent-Ready Is Your Data Provider?

#ai #api #webdev #opensource

6 min read

Paul Leo

Mar 5

How I Connected 11 Work Tools to My AI Agent with One API Key

#ai #productivity #devops #opensource

2 min read

Santhosh M

Mar 5

I Replaced My $500/Month Zapier Bill with n8n (Here's My Exact Setup)

#opensource

3 min read

Mar 5

How I Added Multi-Cloud Support to My Rust CLI — DigitalOcean + Tencent Cloud in One Tool

#rust #cloud #devops #opensource

4 min read

Dre

Mar 5

I built a live interactive attack demo — watch real prompt injection happen and get blocked in real time

#showdev #ai #opensource #security

1 min read

aimin wang

Mar 4

I Built a Free AI Tools Directory with 500+ Tools, Comparisons & Prompt Templates

#ai #webdev #productivity #opensource

1 min read

Cover image for You Approved This MCP Server Yesterday. Today It's Stealing Your Files.

Gus

Mar 5

You Approved This MCP Server Yesterday. Today It's Stealing Your Files.

#security #mcp #ai #opensource

5 min read

Mar 28

Feedback & Testers Wanted | FileSearch App Prototype

#opensource #python #test #app

1 min read

Tarık Anafarta

Mar 9

Elasticsearch vs RDBMS, Logstash vs Fluentd, Elasticsearch vs Opensearch

#backend #database #distributedsystems #opensource

4 min read

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