About Signum

Signum is engagement intelligence for Gmail. Four agents — Watcher, Followup, Remind, Track — running on rules you write, with every decision visible before it ships.

Built by Krishna at Axiom Tech Lab, a sole-proprietorship registered in Bengaluru, Karnataka, India. The product is the entire company. There is no sales team, no “founder”-and-CEO split, no investor deck driving the roadmap.

Why Signum

Email tools fall into two camps. Personal productivity (Superhuman, Spark) is beautiful but lies about reads — every open ticks the counter, no matter whether a human looked. Sales engagement (Salesloft, Outreach) is built for teams of 50+ and priced like it. Nothing in the middle does honest tracking without the enterprise tax.

Signum exists for the people in the middle: solo founders, freelancers, small sales teams, recruiters, anyone whose inbox is their work and who needs to actually know whether the email got read. The product is usage-metered, the agents are universal across plans, and the most expensive tier costs less than a coffee in a US city.

Disambiguation

We are not Signum.AI (sales-prospecting platform, separate company). We are not Signum LLC (HR/payroll PEO in South Carolina, separate company entirely). We are not any of the financial-services or telecom companies that share the name in Europe or Asia. Signum here means: engagement intelligence for Gmail. Built by Axiom Tech Lab.

Contact

For product questions: [email protected]

For support: [email protected]

For security: [email protected]

For privacy: [email protected]

Read the documentation, the security posture, or the pricing.