A free and open-source email signature generator for Gmail, Outlook, Apple Mail, etc.
See the code
An open-source email signature generator for Gmail, Outlook, Apple Mail, etc.
Build a sleek, professional-looking signature that enhances your brand.
Creating an email signature is not a trivial task, especially for non-technical people. Most existing solutions are either paid or closed-source.
MySigMail makes it easy, free, and open-source. Let’s make creating professional signatures accessible for everyone!
The project uses Bun for building and running. Please make sure you have Bun installed.
git clone https://github.com/antonreshetov/mysigmail
cd mysigmail
bun install
bun run dev
If you want to test image upload functionality, you need to set AWS S3 credentials.
Create a .env file in the root directory and add the following variables:
VITE_AWS_S3_URL=
VITE_AWS_S3_BASKET=
VITE_AWS_S3_ID=
VITE_AWS_S3_KEY=
VITE_AWS_S3_REGION=
Don’t want to deal with setup and running locally?
Use the MySigMail – a production-ready version of app, hosted and packed with extra features.
Extend your signatures with powerful marketing and branding tools:
Check out MySigMail and start creating professional email signatures in seconds.
MySigMail is an open-source project but only accepting contributions for bug fixes. To get started, please read CONTRIBUTING.md for more details.
This project is licensed under the AGPL-3.0.
For commercial use, please contact me for a commercial license at [email protected].
By using this software, you agree to the terms of the license.
Copyright (c) 2019-present, Anton Reshetov.
629 followers · starred Jan 2019
86 followers · starred Jan 2019
38 followers · starred Feb 2024
88 followers · starred Jun 2025
A free and open-source email signature generator for Gmail, Outlook, Apple Mail, etc.
See the code
An open-source email signature generator for Gmail, Outlook, Apple Mail, etc.
Build a sleek, professional-looking signature that enhances your brand.
Creating an email signature is not a trivial task, especially for non-technical people. Most existing solutions are either paid or closed-source.
MySigMail makes it easy, free, and open-source. Let’s make creating professional signatures accessible for everyone!
The project uses Bun for building and running. Please make sure you have Bun installed.
git clone https://github.com/antonreshetov/mysigmail
cd mysigmail
bun install
bun run dev
If you want to test image upload functionality, you need to set AWS S3 credentials.
Create a .env file in the root directory and add the following variables:
VITE_AWS_S3_URL=
VITE_AWS_S3_BASKET=
VITE_AWS_S3_ID=
VITE_AWS_S3_KEY=
VITE_AWS_S3_REGION=
Don’t want to deal with setup and running locally?
Use the MySigMail – a production-ready version of app, hosted and packed with extra features.
Extend your signatures with powerful marketing and branding tools:
Check out MySigMail and start creating professional email signatures in seconds.
MySigMail is an open-source project but only accepting contributions for bug fixes. To get started, please read CONTRIBUTING.md for more details.
This project is licensed under the AGPL-3.0.
For commercial use, please contact me for a commercial license at [email protected].
By using this software, you agree to the terms of the license.
Copyright (c) 2019-present, Anton Reshetov.
629 followers · starred Jan 2019
86 followers · starred Jan 2019
38 followers · starred Feb 2024
88 followers · starred Jun 2025