Postico vs Stellar: What are the differences?
Postico: A modern PostgreSQL client for OS X. Postico provides an easy to use interface, making Postgres more accessible for newcomers and specialists alike. Postico will look familiar to anyone who has used a Mac before. Just connect to a database and begin working with tables and views. Start with the basics and learn about advanced features of PostgreSQL as you go along; Stellar: Fast database snapshot and restore tool for development. Stellar allows you to quickly restore database when you are e.g. writing database migrations, switching branches or messing with SQL. PostgreSQL and MySQL are supported.
Postico and Stellar can be primarily classified as "Database" tools.
Stellar is an open source tool with 3.58K GitHub stars and 108 GitHub forks. Here's a link to Stellar's open source repository on GitHub.