Top 50 Team Chat Tools — May 2026

Team chat tools sit at the center of day-to-day coordination, so the main question is simple: which products are healthy, actively shipping, and still trusted by users for May 2026. This section is based on the ToolVitals dataset for the Team Chat use case.

The ranking uses ToolVitals score first, with GitHub stars as a secondary popularity signal when scores are tied. That keeps the ordering focused on product quality and momentum, while still reflecting broader adoption.

Rankings

Rank	Tool	Health	Shipping	GitHub Stars	Score	Status
1	Rocket.Chat	100	100	45225	100	🟢 Excellent
2	Mattermost	100	100	36499	100	🟢 Excellent
3	Chatwoot	98	95	28974	97	🟢 Excellent
4	Discord	98	95	26668	97	🟢 Excellent
5	Notesnook	94	98	13997	96	🟢 Excellent
6	Cal.com	100	100	42306	94	🟢 Excellent
7	SimpleX Chat	95	92	11005	94	🟢 Excellent
8	Plunk	93	95	5019	94	🟢 Excellent
9	Haven Chat	89	95	406	92	🟢 Excellent
10	Mailspring	87	93	17430	90	🟢 Excellent
11	Zulip	92	86	25132	89	🟢 Excellent
12	Chatmail Core	85	93	884	89	🟢 Excellent
13	Cap	84	90	18446	87	🟢 Excellent
14	FreeScout	82	94	4228	87	🟢 Excellent
15	agentgram	81	94	21	87	🟢 Excellent
16	GLPI	86	87	5842	86	🟢 Excellent
17	WPPConnect	87	84	3298	86	🟢 Excellent
18	Meet	88	89	1989	86	🟢 Excellent
19	Vexa	81	93	1957	86	🟢 Excellent
20	Natively	90	92	1100	86	🟢 Excellent
21	Cossistant	86	87	650	86	🟢 Excellent
22	Wire	87	85	135	86	🟢 Excellent
23	nodyx	79	95	75	86	🟢 Excellent
24	Mqvi	79	95	14	86	🟢 Excellent
25	Slack	91	73	0	86	🟢 Excellent
26	Modoboa	85	84	3480	85	🟢 Excellent
27	Kamailio	85	86	2806	85	🟢 Excellent
28	LibreDesk	81	90	2472	85	🟢 Excellent
29	Quackback	79	93	66	85	🟢 Excellent
30	Lemmy	86	82	14361	84	🟢 Excellent
31	Notifuse	84	84	1926	84	🟢 Excellent
32	Voice AI	82	86	593	84	🟢 Excellent
33	Mezon	83	83	1480	83	🟢 Excellent
34	Poindexter	78	90	1	83	🟢 Excellent
35	Jitsi Meet	84	80	29134	82	🟢 Excellent
36	openbrowser-ai	79	85	230	82	🟢 Excellent
37	VACS	77	89	66	82	🟢 Excellent
38	Owncast	79	81	11219	80	🟢 Excellent
39	KumoMTA	79	81	473	80	🟢 Excellent
40	Discourse	85	72	46947	79	🟢 Good
41	PlugNmeet	79	80	456	79	🟢 Good
42	Open Self Service	85	71	169	79	🟢 Good
43	Hitobito	77	80	466	78	🟢 Good
44	tickets	69	86	6	77	🟢 Good
45	nChat	74	79	0	76	🟢 Good
46	useSend	92	52	4205	74	🟢 Good
47	Habitat	72	76	118	74	🟢 Good
48	DooTask	78	66	5460	73	🟢 Good
49	Keeper	72	73	1041	72	🟢 Good
50	Majik Message	70	72	1	71	🟢 Good

Top 3 Highlights

Rocket.Chat takes the top spot with a perfect ToolVitals score, perfect health and shipping scores, and by far the largest GitHub star count in this set. It looks like the clearest strong all-around option here: mature, active, and well established.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle. At 100, Mattermost comes in strong as the runner-up, with 36499 GitHub stars for extra context.

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬. Rounding out the top three with a score of 97, Chatwoot pairs visible maintenance signals with 28974 GitHub stars.

Want to see the full details, pricing, and trend data for every tool in Team Chat? Browse all Team Chat Tools →