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BillionMail vs hello-agents

BillionMail and hello-agents share 6 technologies: Vue, vue-router, echarts, highlight.js, markdown-it, and marked. BillionMail is written in Go and hello-agents in Python.

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What they share and what sets them apart

Billionmail

BillionMail

BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr

Go16.2kRead on November 7, 2026, at commit fc36c76What is BillionMail built with?

Only in BillionMail

In common

datawhalechina

hello-agents

📚 《从零开始构建智能体》——从零开始的智能体原理与实践教程

Python86.8kRead on November 12, 2026, at commit 2a506bcWhat is hello-agents built with?

Only in hello-agents

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
BillionMail109,424 lines written733 code files
hello-agents227,369 lines written1,215 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
BillionMail4.8% of its commits signed by AIWith Claude Code
hello-agents3.3% of its commits signed by AIWith Codex, Claude Code, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
BillionMailLast push June 11, 20261,068 commits16,208 stars
hello-agentsLast push November 11, 2026667 commits86,829 stars
TestsThe files that test the code, and the share of code files a test imports.
BillionMail113 test files20.6% of its code files have a test that imports them
hello-agents103 test files6.8% of its code files have a test that imports them

Frequently asked questions

Which is bigger, BillionMail or hello-agents?
hello-agents, with 227,369 lines written; BillionMail has 109,424.

The proof: datawhalechina/hello-agents's code at commit 2a506bc

Which has more GitHub stars, BillionMail or hello-agents?
hello-agents, with 86,829 stars; BillionMail has 16,208.

The proof: datawhalechina/hello-agents on GitHub

Which has more tests, BillionMail or hello-agents?
BillionMail, with 113 test files; hello-agents has 103.

The proof: Billionmail/BillionMail's code at commit fc36c76

Which was updated more recently, BillionMail or hello-agents?
hello-agents: its last push was on November 11, 2026, and BillionMail's on June 11, 2026.

The proof: datawhalechina/hello-agents's commits on GitHub

Which has more commits signed by AI, BillionMail or hello-agents?
BillionMail: an AI signed 4.8% of its commits, with Claude Code; in hello-agents, 3.3%.

The proof: the commits each tool signed in Billionmail/BillionMail

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