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Top 23 signature Open-Source Projects
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Project mention: Shell-secrets – GPG-encrypted environment variables | news.ycombinator.com | 2025-04-17
The easier and more productive thing is to make an easy-to-use tool that does a specific workflow vs trying to be a swiss army knife.
https://github.com/FiloSottile/age is this for encrypting files.
https://en.wikipedia.org/wiki/Signify_(OpenBSD) and https://jedisct1.github.io/minisign/ are this for signing files.
Signal/Whatsapp/etc that use the Signal Protocal are this for messaging.
It turns out solving one problem at a time and ending up with a bunch of purpose-built tools is way easier to get right than trying to jam an entire toolbox into one thing.
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Kryptor
A simple, modern, and secure encryption and signing tool that aims to be a better version of age and Minisign.
Project mention: Age is a simple, modern and secure file encryption tool, format, and Go library | news.ycombinator.com | 2024-08-04https://www.kryptor.co.uk/ is much more secure than Age.
From their FAQ [0]
>Kryptor uses strong, fast, and modern cryptographic algorithms, offering post-quantum security. It also addresses security limitations of tools like age and Minisign.
>Unlike most tools, Kryptor limits metadata by using an indistinguishable from random encrypted file format. Encrypted files have no identifiable headers and are randomly padded. File names can also be encrypted.
And from their Secure section:
>Private key encryption for protection at rest, unlike age.
[0]: https://www.kryptor.co.uk/faq#why-should-i-use-kryptor-over-...
[1]: https://www.kryptor.co.uk/#secure
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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Set-OutlookSignatures
Email signatures and out-of-office replies for Exchange and all of Outlook. Full-featured, cost-effective, unsurpassed data privacy.
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signatory
Differentiable computations of the signature and logsignature transforms, on both CPU and GPU. (ICLR 2021)
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sauron
A minimalistic cross-platform malware scanner with non-blocking realtime filesystem monitoring using YARA rules. (by evilsocket)
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EndToEnd_Signature-Detection-Cleaning-Verification_System_using_YOLOv5-and-CycleGAN
An end-to-end signature verification system to extract, clean and verify signatures in documents. Signatures are detected using YOLOv5. Noise is cleaned using a CycleGAN approach and verified. Keras / Tensorflow / PyTorch
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AutomatedOutlookSignature
PowerShell script to automate the creation of Outlook signatures using Active Directory attributes.
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signature-sdk-js
Wacom’s Signature SDK library for JavaScript provides software components to capture handwritten signatures from a Web Browser.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
signatures discussion
signatures related posts
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Sbctl 0.15 – Secure Boot key manager
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Secure Boot is completely broken on 200 models from 5 big device makers
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Ask HN: What are your favorite tiny, single purpose tools?
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Minisign A dead simple tool to sign files and verify signatures
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Show HN: Sbctl – Secure Boot key manager
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Sigma rules in real life
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Enabling secure boot for your Arch installation is very easy now with the "sbctl" tool
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A note from our sponsor - InfluxDB
www.influxdata.com | 15 May 2025
Index
What are some of the best open-source signature projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | sigma | 9,172 |
| 2 | minisign | 2,358 |
| 3 | sbctl | 1,649 |
| 4 | signatures | 526 |
| 5 | blst | 515 |
| 6 | 4bytes | 479 |
| 7 | Kryptor | 453 |
| 8 | phpMussel | 424 |
| 9 | Set-OutlookSignatures | 370 |
| 10 | signatory | 268 |
| 11 | sauron | 217 |
| 12 | pdftron-sign-app | 211 |
| 13 | etherface | 185 |
| 14 | EndToEnd_Signature-Detection-Cleaning-Verification_System_using_YOLOv5-and-CycleGAN | 178 |
| 15 | libcrux | 121 |
| 16 | CIDRAM | 108 |
| 17 | rust-minisign | 94 |
| 18 | AutomatedOutlookSignature | 84 |
| 19 | salty | 63 |
| 20 | learning_with_signatures | 56 |
| 21 | Booklet | 33 |
| 22 | signature-sdk-js | 19 |
| 23 | watsign | 14 |
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