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FlashStart vs E2Guardian: catalog facts
FlashStart	E2Guardian
Paid Paid licences with a free trial; prices are given on request.	Free Free to download and use.
Web	Linux, Self-hosted
Category, user, device and schedule-based content filtering Malware and phishing blocking at the DNS level	Proxy, transparent and ICAP modes Filters on content, not only domain names
Pricing is not published on the homepage Aimed mainly at businesses, ISPs and organisations	Needs a Linux server and proxy configuration knowledge Filtering encrypted traffic requires extra setup
Hosted service	Self-hosted
Closed source	Closed source
License not stated	License not stated
Account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.