OpenKitten MongoKitten by OpenKitten
Native MongoDB driver for Swift, written in Swift
About OpenKitten MongoKitten
From the project's README at github.com/OpenKitten/MongoKitten. Lightly cleaned for readability; for the full source see the upstream repo.
A fast, pure swift MongoDB driver based on Swift NIO built for Server Side Swift. It features a great API and a battle-tested core. Supporting both MongoDB in server and embedded environments.
MongoKitten is a fully asynchronous driver, which means that it doesn't block any threads. This also means that it can be used in any asynchronous environment, such as Vapor or Hummingbird. Table of Contents Docs \& Community Projects Installation Set up MongoDB server Add MongoKitten to your Swift project Add Meow (Optional) Basic usage Connect vs. LazyConnect CRUD Create Read Cursors Fetching results Cursors are generic Update \& Delete Indexes Aggregation Transactions GridFS About BSON Literals Just Another Collection [Think twice before converting between and ](#
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 750 | github.com/OpenKitten/MongoKitten |
| GitHub forks | 111 | github.com/OpenKitten/MongoKitten |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 10.3 years | since Jan 2016 |
| Last commit | 11 days ago | Apr 26, 2026 |
| Releases shipped | 157 | last: 11 days ago |
| Security policy | SECURITY.md | declared by maintainers |
| Funding links | 1 | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
Ready to self-host OpenKitten MongoKitten?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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