Comparison
bub vs rtk
rtk has more GitHub stars (83,395 vs 1,685). rtk was updated more recently (last commit 15h ago). Data comes straight from GitHub and refreshes daily.
bub
Bub it. Build it. A tiny agent runtime, composable with plugins.
$
git clone https://github.com/bubbuild/bub
rtk
CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies
$
brew install rtk| Metric | bub | rtk |
|---|---|---|
| Type | Plugin | Plugin |
| GitHub stars | 1,685 | 83,395 |
| Stars, last 7 days | n/a | n/a |
| Forks | 169 | 5,295 |
| Upvotes | 0 | 0 |
| Language | Python | Rust |
| License | Apache-2.0 | Apache-2.0 |
| Last commit | 1d ago | 15h ago |
| Created | Jul 2025 | Jan 2026 |
| Categories | Memory & knowledge, AI & LLM tooling, Frameworks & SDKs | AI & LLM tooling |