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In Memory Python Packages

Python packages with the GitHub topic in-memory. Sorted by monthly downloads, with stars and forks.
ZhuoZhuoCrayon
throttled-py

🔧 High-performance Python rate limiting library with multiple algorithms (Fixed Window, Sliding Window, Token Bucket, Leaky Bucket & GCRA) and storage backends (Redis, In-Memory).

139K 651 36
hazelcast
hazelcast-python-client

Hazelcast Python Client

85K 116 78
operatorequals
httpimport

Module for remote in-memory Python package/module loading through HTTP/S

22K 331 43
crossbario
zlmdb

Object-relational in-memory database layer based on LMDB

7K 35 9
Restream
pyreindexer

Embeddable, in-memory, document-oriented database with a high-level Query builder interface.

5K 812 60
k-rister
ephemeral-buffer-mcp

Ephemeral in-memory command output capture and hybrid search MCP server for coding agents.

5K 3 0
ashvardanian
smashtable

Safer associative containers with DBMS-like transactions in Python and C++

4K 49 5
TurboGears
ming

MongoDB ODM (Object Document Mapper) with Unit of Works, IdentityMap, Relations and Mongo-In-Memory implementation

4K 30 17
NeuroJSON
zmat

ZMat: A portable C-library and MATLAB/Octave/Python toolbox for zlib/gzip/lzma/lz4/zstd/blosc2 data compression

2K 18 6
jeroenflvr
datap-rs-client

An opinionated config-driven Rust server that publishes Parquet and Delta datasets as fast, typed HTTP APIs from local disk or object storage, with interchangeable DuckDB or Arrow+DataFusion backends, JSON and Arrow IPC output, and production-ready features like auth, metrics, and hot reloads.

2K 4 0
lukatrum
omni-json-db

KV JSON DB + Graph DB with Time-Travel + compression. NoSQL alternative to TinyDB.

725 16 9
jeroenflvr
datap-rs

An opinionated config-driven Rust server that publishes Parquet and Delta datasets as fast, typed HTTP APIs from local disk or object storage, with interchangeable DuckDB or Arrow+DataFusion backends, JSON and Arrow IPC output, and production-ready features like auth, metrics, and hot reloads.

594 4 0
oracle
coherence-client

The Coherence Python Client allows Python applications to act as cache clients to an Oracle Coherence cluster using gRPC as the network transport.

546 12 6
QDL123
periplus-proxy

A remote cache for vector databases which allows for a dynamically updated subset of a large dataset to be held entirely in memory.

532 8 1
Hitesh-s0lanki
klyro-db

A modern, developer-first in-memory data platform.

431 1 1
nightmarewalker
d-memfs

In-process virtual filesystem with hard quota for Python

411 32 0
JosuaKrause
redipy

redipy is a uniform interface to Redis-like storage systems. It allows you to use the same Redis API with different backends.

257 6 0
redis
redisex

For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

238 77K 25K
AgentCombo
mandol

Mandol: An Agglomerative Agent Memory System (https://arxiv.org/pdf/2606.29778)

194 60 9
rundef
sqlalchemy-memory

Fast in‑RAM SQLAlchemy 2.0 dialect: no DB, fully ORM/Core, ideal for prototyping & simulations

167 9 1
Eigen-DB
eigen-client

The blazingly fast in-memory vector database 🚀

164 11 1
garciparedes
ringer

Large-scale data structures hosted on the file-system

110 2 0
Ygor-J
sql-guard

A small package for data quality rules using Standard SQL

93 5 0
yahoojapan
k2hash

K2HASH Python library - NoSQL Key Value Store(KVS) library

81 3 4
    • Original data from PyPI, GitHub, and OSV; downloads served through ClickHouse
    • Sources & methodology