Practical tools.
Open code.

Serpens Tech builds open-source productivity software with transparent architecture and user-first design.

Open-source software

All projects are fully open-source under the Apache 2.0 license. Inspect the code, self-host, or contribute.

Viper Suite logo

Viper Suite

A self-hosted task and budget management suite. Two apps — Crossed Viper and Leaf Viper — sharing one backend and database. Available on Web, Linux, Windows, and Android.

Open App View on GitHub

Built in the open

Serpens Tech is focused on building practical products with open code, clear architecture, and transparent development.

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Transparent

Full source code is always public. No hidden logic, no black boxes.

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Self-hosted

Run everything on your own infrastructure. Your data stays yours.

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Open-source

Apache 2.0 licensed. Inspect, fork, and deploy on your own terms.

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Practical

Tools built to solve real problems, without unnecessary complexity.

Get in touch

For questions, partnerships, or general inquiries, reach out by email.