Products/AitherSign

AitherSign

E-signature and document envelopes with cryptographic sealing

Starting at

Free

Pricing tiers

7 tiers

Features

Free self-sign for any document

OTP-verified external signer envelopes

PAdES sealing, audit certificates, auto-reminders

free

Free

Self-sign your own documents — no external signer envelopes

developer

Free

Included with Developer plan — 5 signer envelopes/month

pro

Free

Included with Pro plan — 25 signer envelopes/month

team

Free

Included with Team plan — 100 signer envelopes/month

business

Free

Included with Business plan — 500 signer envelopes/month

enterprise

Free

Included with Enterprise plan — unlimited signer envelopes

envelope pack

$15one-time

50 additional signer envelopes, stackable on any paid plan

Your Data, Your InfrastructureZero-knowledge encryption. No telemetry. Air-gapped deployment available.

AI That Actually WorksReal backends. GPU-aware scheduling. Agents that remember.

Sustainable by DesignRuns on a single RTX 5090. No cloud bills. Homelab-friendly.