Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise. Learn more →
Orjson Alternatives
Similar projects and alternatives to orjson
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Kargo
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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simdjson
Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks
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msgspec
Discontinued A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML [Moved to: https://github.com/msgspec/msgspec]
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zet
Discontinued Zettelkasten Repo. This is where I dump my knowledge as it happens, all my zettels ("slips" or notes) about almost anything and everything. The idea is rather simple really and very powerful. Be warned, however, just because something is here doesn't mean it is accurate or even that I still believe it.
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ormsgpack
Discontinued MessagePack serialization library for Python derived from orjson, written in Rust using PyO3 [Moved to: https://github.com/ormsgpack/ormsgpack]
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better orjson alternative or higher similarity.
orjson discussion
orjson reviews and mentions
Posts with mentions or reviews of orjson.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-09-28.
- Orjson no more open issue tracker or pull requests due to signal-to-noise ratio
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Web scraping of a dynamic website using Python with HTTP Client
The library already has support for an HTTP client that allows bypassing Cloudflare - CurlImpersonateHttpClient. Since we have to work with JSON responses we could use parsel_crawler added in version 0.3.0, but I think this is excessive for such tasks, besides I like the high speed of orjson.. Therefore, we'll need to implement our crawler rather than using one of the ready-made ones.
- orjson: Fast, correct Python JSON lib supporting dataclasses, datetimes, NumPy
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JSON extra uses orjson instead of ujson
(https://github.com/ijl/orjson). In this implementation, the same JSON
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This Week In Python
orjson – Fast, correct Python JSON library
- Orjson: Fast, correct Python JSON library
- JSON dans les projets data science : Trucs & Astuces
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JSON in data science projects: tips & tricks
orjson is the fastest JSON library available for python. It natively manages dataclass objects, datetime, numpy and UUID objects.
- Segunda linguagem
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Litestar 2.0
As we began venturing down that road, a few things emerged that would constitute significant changes to some of the core parts of Litestar, but there were two things in particular that started a chain reaction of changes by opening up further possibilities: The new DTOs and our switch from orjson to msgspec.
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A note from our sponsor - AppSignal
www.appsignal.com | 14 Sep 2026
Stats
Basic orjson repo stats
23
8,227
7.0
14 days ago
ijl/orjson is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of orjson is Python.
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