ultrajson VS greenpass-covid19-qrcode-decoder

Compare ultrajson vs greenpass-covid19-qrcode-decoder and see what are their differences.


Ultra fast JSON decoder and encoder written in C with Python bindings (by ultrajson)


An easy tool for decoding Green Pass Covid-19 QrCode (by debba)
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ultrajson greenpass-covid19-qrcode-decoder
0 2
3,485 45
1.6% -
7.6 7.3
8 days ago about 2 months ago
GNU General Public License v3.0 or later Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of ultrajson. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning ultrajson yet.
Tracking mentions began in Dec 2020.


Posts with mentions or reviews of greenpass-covid19-qrcode-decoder. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-10-27.

What are some alternatives?

When comparing ultrajson and greenpass-covid19-qrcode-decoder you can also consider the following projects:

GreenPass-Experiments - It's possible to create a valid and fake green pass? The scope of this project is try to create one.

shc-covid19-decoder - Very simple app to decode your Vaccination Proof QR Code (such as the one provided by government of Quebec) - Compatible with SHC (Smart Health Card standard)

covidpass - Scan your vaccination, test and recovery certificates in QR code representation and save them to your Apple Wallet

marshmallow - A lightweight library for converting complex objects to and from simple Python datatypes.

covid-certificate-pwa - PWA for storing QR Code of UE Covid Certificaces

vacdec - Python script to decode the EU Covid-19 vaccine certificate

scan.lol - A website to quickly scan a qr code without installing an app

GayPass - An Android App for easly storing the GreenPass QR Code

python-rapidjson - Python wrapper around rapidjson

PyLD - JSON-LD processor written in Python

pysimdjson - Python bindings for the simdjson project.

Fast JSON schema for Python - Fast JSON schema validator for Python.