Support
Support is provided by the developer in person. There is no call centre.
Write to info@mnemaxis.org. Expected reply: within three working days (Monday–Friday, Europe/Warsaw). If you need a Polish-language reply, say so in the first line.
Include: app name, version (from the about screen), macOS version, and what you expected versus what happened.
VoxFaktura
Invoicing, KSeF, KPiR. For failed sends to KSeF, include the session identifier shown in the app, not your token.
Atlas
Coaching / accessibility desktop app. Do not send medical records or CVs in the first message unless the bug cannot be described without a redacted sample.
LogoSoma
Research and language tools. Same mailbox.