Trio
Pythonic async concurrency library with structured concurrency for I/O and networking.
Utilities PyPI MIT OR Apache-2.0
How Trio is used
Trio is a dependency in 2 of the 6,208 public GitHub projects set up for AI coding agents that we scanned, too few to describe it from them alone. Our scan also samples projects by dependency (Solana 2,661, Ethereum and EVM 1,496, 3D and games 2,818, agent frameworks and SDKs 10,983); counting those, it appears in 86 projects, and what it is used with below comes from all of them. Projects that use it most often also use Requests (98.8%), Selenium (96.5%), NumPy (95.3%).
Trio popularity over time
Gid Score 62: downloads 85, use in agent projects 49, GitHub stars 45, downloads trend 56 (each 0-100). How it is calculated.
Often used with Trio
| Requests | 98.8% of Trio projects · 14.5× more than average |
|---|---|
| Selenium | 96.5% of Trio projects · 221.9× more than average |
| NumPy | 95.3% of Trio projects · 16.4× more than average |
| python-dotenv | 95.3% of Trio projects · 10.4× more than average |
| attrs | 94.2% of Trio projects · 136.0× more than average |
From all 86 projects in our scan that use Trio, including the dependency samples.
How Trio is funded
Open Collective: The Trio Collective
| Received, last 12 months | $4,657 Oct 2025 – Sep 2026 |
|---|---|
| Estimated annual budget | $5,183 Open Collective's estimate |
| Balance | $12,227 |
| Raised since the start | $12,277 · $50 paid out |
| Typical month median, last 12 months | $16 · $61 over 24 months |
| Last 12 months vs the 12 before | +41% |
| Contributors, last 12 months | 2 |
Top company backers all time
| THANKS.DEV | $2,483 since May 2025 |
|---|---|
| BFM | $25 since Mar 2021 |
Oct 2021Sep 2026
Money by month, last five years. First money received in Mar 2021. The typical month is the median: one big one-off donation does not move it.
The same collective is named by 3 more tools in our catalog: outcome, trio-websocket, asyncclick.
USD after payment processor fees, as Open Collective reports it; fiscal host Open Source Collective. Source
GitHub Sponsors
| @python-trio | 3 current sponsors |
|---|
GitHub shows how many people and companies sponsor an account, not how much they pay.
Ways to fund Trio
GitHub Sponsors Open Collective
As the maintainers list them in FUNDING.yml on GitHub. Checked Oct 20, 2026.
Install
| Package | pip install trio |
|---|---|
| Main stacks | Python (86) |
| Example projects | zstar1003/ragflow-plus, Turing-Project/SimAIWorld, kspviswa/local-packet-whisperer, lwyBZss8924d/DeepSearchAgents, whyashthakker/ai-agents |
Alternatives to Trio
In our scan, none of the most used tools in Utilities does the same job as Trio: they are add-ons, companions or tools for a different task.
More in Utilities: clsx date-fns PyYAML uuid yaml js-yaml glob Lodash