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Chardet Alternatives
Similar projects and alternatives to chardet
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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MySQL
MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.
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MySQLTuner-perl
MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability.
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pyWhat
🐸 Identify anything. pyWhat easily lets you identify emails, IP addresses, and more. Feed it a .pcap file or some text and it'll tell you what it is! 🧙♀️
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Levenshtein
The Levenshtein Python C extension module contains functions for fast computation of Levenshtein distance and string similarity
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better chardet alternative or higher similarity.
chardet discussion
chardet reviews and mentions
Posts with mentions or reviews of chardet.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2026-06-09.
- Grit: Rewriting Git in Rust with Agents
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The Claude Code Source Leak: fake tools, frustration regexes, undercover mode
It seems like it's an active area of legal thought (IANAL though).
Recent relevant discussion about this in the chardet repo between the chardet maintainer who relicensed the code and Richard Fontana, a well regarded lawyer US IP lawyer who's worked for Red Hat (not IBM) for decades:
https://github.com/chardet/chardet/issues/334#issuecomment-4...
My take away from the conversation there is that being in an edit loop, where the files are AI generated through your control rather than directly editing the files yourself, means the files are then "AI authored" for copyright protection purposes rather than yourself.
But I double stress, I'm not a lawyer so may have misunderstood things radically.
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Source code is now a common good, and SaaS is mostly dead
Around the same time, someone attempted exactly this with the chardet Python library—using Claude to rewrite it from LGPL to MIT. The open source community was furious.
- Malus – Clean Room as a Service
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Debian decides not to decide on AI-generated contributions
You can "relicense" it as you see fit, but anyone can just copy it and ignore your license and its terms entirely, it's not your property to put a license on.
See also Red Hat IP lawyer's opinion on trying to license the chardet "rewrite": https://github.com/chardet/chardet/issues/334#issuecomment-4...
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Is legal the same as legitimate: AI reimplementation and the erosion of copyleft
> The dispute drew responses from two prominent figures in the open source world.
Sure, but neither of those is an IP Lawyer.
The actual IP Lawyer that showed up and tried to engage had his issue closed:
https://github.com/chardet/chardet/issues/334
- Chardet v7.0.0 presents unacceptable legal risk to users
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AI and the Ship of Theseus
> Right now I would argue that unless some evidence of the contrary could be provided, this can be seen as a new implementation from ground up.
Not ship of Theseus, but a "new implementation from ground up.
Evidently, the author prefers MIT (https://github.com/chardet/chardet/issues/327#issuecomment-4...), and seems OK with slop-coding.
- Coding agent rewrites (and improves) LGPL library and releases under MIT license
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No right to relicense this project
> You have to prove [..] that the defendant made an unauthorized derivative work
You only need to prove that they made a derivative work; the derivative work itself is authorized as long as the license is obeyed. And it's very easy to prove they did: there is a linear progression from the original LGPL-licensed code to the current codebase, in the form of a Git history: https://github.com/chardet/chardet/compare/6.0.0.post1...7.0...
Every single commit there is a derivative work of the work before. No attempt was made to do a piece-wise replacement of features by isolating each feature (either via API or test behaviour), abstracting its behaviour and then reimplementing it. So this is not even a Ship of Theseus question: if every single part of the ship was replaced but the shape is the same, is the current ship a derivative of the original?
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A note from our sponsor - SaaSHub
www.saashub.com | 13 Jun 2026
Stats
Basic chardet repo stats
32
2,635
9.8
about 1 month ago
chardet/chardet is an open source project licensed under BSD Zero Clause License which is an OSI approved license.
The primary programming language of chardet is Python.
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