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Squid vs glider: catalog facts
Squid	glider
Free Free and open source under the GNU GPL; donations accepted.	Free Free and open source under the GPL-3.0-or-later license.
Windows, Linux, Self-hosted	Command line
Caching that reduces bandwidth use Extensive access control rules	Supports multiple proxy protocols and protocol conversion Configurable proxy chains and load balancing
Configuration is large and takes time to learn Heavier than minimal proxies for simple forwarding	Requires command line configuration and operation
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: GPL	License: GPL-3.0-or-later
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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