PNG-spec
spdx-spec
| PNG-spec | spdx-spec | |
|---|---|---|
| 4 | 4 | |
| 42 | 268 | |
| - | 2.2% | |
| 8.9 | 4.7 | |
| 13 days ago | 5 days ago | |
| HTML | Python | |
| GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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PNG-spec
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Hello, PNG!
Pull requests welcome. :D
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Are IDAT chunks in PNG encoded individually?
There are multiple github issues on the subject where we work on future editions of the PNG spec. (3rd Edition coming soon!)
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Google Chrome Is Already Preparing To Deprecate JPEG-XL (~3x smaller than JPEG, HDR, lossless, alpha, progressive, recompression, animations)
Especially enticing as the PNG file format does allow for additional compression/filter methods and new ones could be added to a PNG 2.0 standard. A small wishlist discussion about that at the W3C's PNG specification Github.
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QOI – The “Quite OK Image Format” for fast, lossless image compression
> But its not like any reader ever supports it fully, hell most readers dont support showing the other images in a png file.
Do you mean APNG? In all fairness, that is not even in the specification although there is discussion to add it. https://github.com/w3c/PNG-spec/issues/26
The one that was specified was MNG but it was a different format and practically no one used it since it was not parsable as a PNG.
spdx-spec
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What is SBOM
Software package data exchange - SPDX - open source, prepared as machine-readable format, originated in Linux and curated by Linux Foundation
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How-to choose a FOSS license and implement it
Normative info is on https://spdx.github.io/spdx-spec/ HTH, William
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SPDX Becomes Internationally Recognized Standard for Software Bill of Materials - Linux Foundation
Although I have to say charging 200CHF for a document licensed under the Creative Commons is ballsy.
What are some alternatives?
qoi - The “Quite OK Image Format” for fast, lossless image compression
tern - Tern is a software composition analysis tool and Python library that generates a Software Bill of Materials for container images and Dockerfiles. The SBOM that Tern generates will give you a layer-by-layer view of what's inside your container in a variety of formats including human-readable, JSON, HTML, SPDX and more.
fpng - Super fast C++ .PNG writer/reader
syft - CLI tool and library for generating a Software Bill of Materials from container images and filesystems
zopfli - Zopfli Compression Algorithm is a compression library programmed in C to perform very good, but slow, deflate or zlib compression.
beacon-APIs - Collection of RESTful APIs provided by Ethereum Beacon nodes
libjxl - JPEG XL image format reference implementation
activitystreams - Activity Streams 2.0
specification - Solid Technical Reports
ort - A suite of tools to automate software compliance checks.
jpeg2png - silky smooth JPEG decoding
Licenses Library - Lightweight Android library which provides most common licenses in formatted and plain text