Free and open first
Best Customer Support Software in 2026
- 29 apps
- Research read 28 Sept 2026
- How the order is worked out
- 1
- 2
Zammad
Free plan Open source APILinuxMac+3Zammad combines ticket management, automation, and a knowledge base, with hosted and self-hosted options.
- 3
Znuny
Free plan Open source APILinuxSelf-hosted+1Znuny offers a configurable service-management platform with multiple request channels and deployment choices.
- 4
Andrea Helpdesk
Free plan AndroidAPIiPhone+2Andrea Helpdesk offers ticketing, email handling, collaboration and customer-facing tools in a self-hosted package with a free plan.
- 5
- 6
FreeScout
Free plan AndroidAPIiPhone+2FreeScout combines a shared inbox with several help desk and customer-facing support tools in a self-hosted application.
- 7
LibreDesk
Free plan APILinuxMac+3LibreDesk offers a broad support-desk feature set without paid tiers, provided your team can operate its required self-hosted infrastructure.
- 8
Faveo Helpdesk
by Faveo HelpdeskFree plan APIFaveo Helpdesk combines core ticket-support functions with a free two-agent plan and annual paid tiers. Check the unpriced Freelancer and Enterprise options directly when planning agent capacity.
- 9
Frappe Helpdesk
by Frappe HelpdeskFree plan APIFrappe Helpdesk combines core ticketing functions with customer-facing tools and API access. Its free option, self-host plan and paid hosting tiers give teams several deployment paths.
- 10
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Go Help Desk
Free plan APISelf-hostedWebGo Help Desk provides self-hosted ticket workflows with role controls, SLAs, search, and integration endpoints.
- 13
osTicket
Free plan APISelf-hostedWebosTicket offers ticket intake, routing, customizable forms and task handling, with self-hosted and cloud-hosted options.
- 14
Vision Helpdesk
Free plan AndroidAPIiPhone+4Choose Vision Helpdesk if you need a multi-channel ticketing suite, or want customer support and IT service management products under one name.
- 15
Help Scout
by Help ScoutFree plan APIHelp Scout combines shared customer conversations with knowledge-base and workflow tools. Check the Inbox, user, and contact limits against your team's needs before choosing a plan.
- 16
UVdesk
Free plan APIUVdesk combines core help-desk functions with free, Open Source, and paid plan paths. Compare the agent minimums and mailbox or knowledgebase allowances against your support volume.
- 17
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Kayako
by KayakoPaid AndroidAPIiPhone+1Choose Kayako if its listed support functions match your team's needs, from shared inbox and ticketing to knowledge content, live chat, automation, and reporting.
5.7 Visit site - 22
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HappyFox Help Desk
by HappyFox Help DeskPaid APIHappyFox Help Desk covers common help-desk functions with escalating agent capacity across paid plans.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
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