SQLite3 database manager. Development tool for managing all database objects. SQL builder.
Swimming pool / spa owners evidence, evidence of all water tests, recommendation of water treatment, according to measured values.
Water treatment software. Evidence of all water tests, recommendation of water treatment, according to measured values.
Check of messages on the POP3 server with ability to delete message from the server, without urgency to download it. Next, you can safely download attachments so it doesn’t try to run any from them. It is possible to apply simple Spam filter.