# FrontSail Apps > Free browser apps from FrontSail Labs Inc., the Waterloo, Ontario company behind the FrontSail AI assistant and FrontSail Sites. Every app is free, runs in the browser, and requires no signup. The apps on frontsail.app were built for specific FrontSail customers and turned out useful to others, so they are given away. Each app lives on its own subdomain of frontsail.app. Unknown or retired subdomains return HTTP 404. ## Relationship between the FrontSail domains FrontSail Labs Inc. builds the FrontSail AI assistant for service businesses, and FrontSail Sites, which builds websites for trades. The apps on frontsail.app are free and unrelated to either. - frontsail.ai is the home of the FrontSail AI assistant, the main product of FrontSail Labs Inc. - frontsail.site is the home of FrontSail Sites, the website studio from FrontSail Labs Inc.; client websites are served on subdomains of frontsail.site. - frontsail.app is the home of the free apps from FrontSail Labs Inc.; each app is served on its own subdomain of frontsail.app. All three domains are operated by the same company, FrontSail Labs Inc. of Waterloo Region, Ontario, Canada. FrontSail Sites is the website studio from FrontSail Labs Inc., the Waterloo, Ontario company behind the FrontSail AI assistant. ## Apps - [Aspicio](https://aspicio.frontsail.app/): Aspicio is a free online viewer for DXF and vector PDF drawings that runs in the browser, with no signup. - [QR Code Generator](https://qr-code-gen.frontsail.app/): The FrontSail QR Code Generator is a free online QR code generator that creates QR codes with a logo in the middle and exports them as PNG or SVG, with no signup and no watermarks. ## Links - [FrontSail AI](https://frontsail.ai): The FrontSail AI assistant, a virtual operations assistant for service businesses. Answers phone, web chat, Telegram and WhatsApp, captures structured intake, and keeps every job moving from first call to paid invoice. - [FrontSail Sites](https://frontsail.site): FrontSail Sites is the website studio from FrontSail Labs Inc. Fast, mobile-first websites for trades, built to rank in Google local search and to be quoted by AI search. - [About FrontSail Apps](https://frontsail.app/about/)