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Top 10 Rust Concurrent Projects
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Project mention: ToyDB rewritten: a distributed SQL database in Rust, for education | news.ycombinator.com | 2025-05-11
Maybe consider sled? https://github.com/spacejam/sled
It's been abandoned for some years, the author was working on a new engine for it and in the last 5 days they started working again on sled proper. However, it's pretty good the way it is (the 0.34.7 release from 2021 https://crates.io/crates/sled), despite the beta warnings
More info here https://dbdb.io/db/sled
(Note, non affiliated to the author, just liked the project)
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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stretto
Stretto is a Rust implementation for Dgraph's ristretto (https://github.com/dgraph-io/ristretto). A high performance memory-bound Rust cache. (by al8n)
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Project mention: Show HN: Whirlwind – Async concurrent hashmap for Rust | news.ycombinator.com | 2024-11-05
Looks interesting! We used quick-cache [1] for that purpose right now, might be interesting to add comparison with those types of Key-Value caching crates.
[1] https://github.com/arthurprs/quick-cache
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possum
concurrent disk-backed cache supporting efficient direct file I/O, transactions, and snapshots using file cloning and sparse files
https://github.com/anacrolix/possum
concurrent disk-backed cache supporting efficient direct file I/O, transactions, and snapshots using file cloning and sparse files
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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rc_event_queue
VecDeque-like fast, unbounded, mpmc/spmc concurent FIFO message queue. Lockless reads, write-lock writes.
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Rust Concurrent discussion
Rust Concurrent related posts
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Sled: An Embedded Database in Rust
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Copy-on-Write on APFS
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SableDb – a key/value store that uses RocksDB and Redis API (written in Rust)
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RFC: redb (embedded key-value store) nearing version 1.0
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dashmap VS scalable-concurrent-containers - a user suggested alternative
2 projects | 13 Apr 2023 -
Samsara, a safe Rust concurrent cycle collector
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Ask HN: Serverless” key value store with transactions?
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A note from our sponsor - SaaSHub
www.saashub.com | 18 Jun 2025
Index
What are some of the best open-source Concurrent projects in Rust? This list will help you:
# | Project | Stars |
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1 | sled | 8,512 |
2 | dashmap | 3,498 |
3 | stretto | 419 |
4 | r3bl-open-core | 368 |
5 | quick-cache | 242 |
6 | possum | 104 |
7 | sharded | 35 |
8 | rust-canteen | 31 |
9 | rc_event_queue | 21 |
10 | scherben-map.rs | 3 |