: Part of the broader Odoo ERP, the Field Service app is part of their "One App Free" program.
If you are looking to download a system today, these platforms are among the most reputable for providing "forever free" or open-source tiers:
Alternatively, if you want zero installation hassle, sign up for a of a commercial CAD system like ADSI or Traumasoft. While not "forever free," 30 days is often enough to test if the investment is worth it.
