Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- Self-Hosted
- JSON
- (Planet) Duniter
- JavaScript
- Gulp.js
- Ionic Framework
France
EU




Apps similar to Proof of existence include Cesium, which is free and open source. Other options are ZeroID, ScoreDetect, Stampery and bc2ip Desktop. In total there are nine apps like Proof of existence for the web, Mac, Windows, Linux and Android.





ScoreDetect is a digital content protection tool designed to help individuals and businesses safeguard their digital creations through verification certificates. It supports a variety of content types such as social media posts, images, videos, music, podcasts, blogs, PDFs...

Stampery generates legally binding proofs of existence, integrity and ownership. Send notaries on vacation. Certify your documents easily and safely.
bc2ip Desktop is a solution for secure file timestamping to protect your digital intellectual property. With a focus on data integrity, this software empowers creators to establish irrefutable records of their work's existence.



Wherever data is generated, with OriginStamp you can get it automatically timestamped to prove its integrity and time of existence.
Anonymous digital file certification app powered by the 'Unknow Your Customer' (UYC) concept and blockchain technology.




ETcH anchors the SHA-256 hash of your file on Ethereum mainnet, creating permanent, tamper-proof proof that your document existed at a specific date. No crypto wallet, no signup required — just drop your file, pay €2 via Stripe, and receive a self-contained proof kit ZIP...
Blockchain timestamping and certification Software as a Service , SaaS. Woleet offers a BaaS (Blockchain as a service) platform with the following features :.