Zammad
95 · HealthyTicketing and helpdesk system with email, chat, phone and social channels in one view.
Open source Helpdesk & live chat
Chatwoot
89 · HealthyOmnichannel customer support inbox covering website chat, email, WhatsApp and social channels.
FreeScout
76 · StableShared-inbox helpdesk in PHP, close in spirit to Help Scout, extended through modules.
Helpdesk
76 · StableTicketing system with SLAs, a customer portal, canned responses and a knowledge base, built on the Frappe framework.
DeskcommCRM
70 · StableChat-first CRM for teams that sell over WhatsApp, with AI agents, sales pipelines and a shared inbox.
osTicket
54 · CautionVeteran PHP support-ticket system that routes inquiries from email, web forms and phone.
Papercups
15 · At riskLive chat widget and support inbox built with Elixir and React.
Source-available and unverified licenses
The code for these is public, but the license is not an OSI open source license, or we have not verified it yet. Check the license notes on each project before relying on it.
Zammad
Ticketing and helpdesk system with email, chat, phone and social channels in one view.
Will it still be around?
Healthy
Score 95/100
Can a business use it freely?
Free, share hosted changes
AGPL-3.0 · open source (copyleft)
Features compared
has,doesn't1 feature
12/13 Zendesk features free in Zammad
Zammad has every feature Zendesk has on this list.
✕ doesn't have it · ◐ partly · $ higher plan or paid editionBoth have 11
Headline Zendesk features on the Suite Professional plan, and whether Zammad has each in its free, self-hosted edition.
| Feature | ZendeskSuite Professional plan | Zammad12 of 13 free |
|---|---|---|
| Zammad has, Zendesk doesn't1 | ||
| Custom agent roles | Higher planEnterprise plan | Yes |
| Both have11 | ||
| Shared inbox and ticketing | Included | Yes |
| Email, social and messaging channels | Included | YesEmail, Telegram, WhatsApp and more |
| Live chat widget | Included | Yes |
| Help center and knowledge base | Included | YesKnowledge base |
| Macros and canned replies | Included | YesText modules and macros |
| SLA policies | Included | Yes |
| Triggers and automations | Included | YesTriggers and schedulers |
| Reports and dashboards | Included | Yes |
| Phone support | Included | YesCTI integrations |
| Single sign-on | Included | YesSAML and OAuth |
| API and webhooks | Included | Yes |
| Neither has fully1 | ||
| AI agents and copilot | Higher planAdvanced AI add-on | PartlyAI assistance with your own provider |
Sources
- Zendesk, checked 2026-10-09: zendesk.com
- Zammad, checked 2026-10-09: zammad.com, admin-docs.zammad.org
Flat Rate Deploy
A 25-agent team on Zendesk Suite Professional pays about $2,875 a month. Zammad on OpenSoft costs $99 a month, setup included, so you save $2,776 a month, about $99,936 over three years.
Monthly cost
- Zammad on OpenSoft
- $99
- Zendesk
$2,875
You save each month
$2,776/mo
97% less than today
Saving from month one
You save
- Over 3 years
- $99,936
- In year one
- $33,312
List price checked 7 Oct 2026 · Source · Disclaimer
Health score: 95/100
Healthy · activity, bus factor and issue responsiveness, from GitHub
Score v2 · How it works
Activity
45% weight100/100
- Last commit yesterday (100/100).
- 2640 commits in the past 12 months (100/100).
- No GitHub releases published, so release cadence is not scored.
Bus factor
30% weight89/100
- Top contributor wrote 33% of the last 100 commits (past 12 months).
- 9 people authored those commits.
Responsiveness
25% weight92/100
- 93% of all issues are closed (429 open, 5323 closed) (100/100).
- 26 of 30 recent issues got a reply or were closed (87/100).
License
Free, share hosted changes
AGPL-3.0 · Open source (copyleft)
What you need to do
Free for any use, commercial included. If you change the code and people outside your company use it over the network, you must publish your changes under the same license.
GNU Affero General Public License v3.0 · Open source (copyleft). OSI-approved license that requires sharing changes under the same license when you distribute (AGPL: also when you offer it over a network).
Detected by GitHub as AGPL-3.0.
GitHub activity
- Stars
- 6.0k
- Forks
- 1.1k
- Commits, 12 mo
- 2.6k
- last yesterday
- Releases
- –
- none on GitHub
- Contributors
- 154
- 9 in last 100 commits
- Open issues
- 429
- 5.3k closed
Snapshot from 2026-10-08
Top contributors
How points workNo pull requests merged on GitHub since 9 October 2025. Some projects, such as Odoo, merge changes outside GitHub's merge button, so their contributors don't show here yet.