Zendesk alternatives

6 projects to consider for your Zendesk workflows.

6 open source

Explore Chatwoot, Cossistant and Erxes. Each takes a different approach to your Zendesk workflows. Read its capabilities and limitations to find the right fit.

Catalogue facts checked August 31, 2026

Chatwoot

Customer conversations from every channel in one inbox

Open sourceMITSelf-hosted

Small support teams that want one omnichannel inbox with full data control will love Chatwoot. Its MIT-licensed self-hosting, shared inbox with automation, and Captain AI assistance cover chat, email, WhatsApp, and voice at startup-friendly prices. Teams without Docker or Linux skills should avoid self-hosting and choose the managed cloud plan instead, since server work stays your job. If you need managed simplicity above all, pick Chatwoot Cloud; if you need data control and have developers, self-host it.[1][2][3][4]

Good fit. Teams that must keep customer conversations in their own systems get MIT-licensed self-hosting free of license fees, with a free Hacker cloud tier for getting started.[1][2]

Keep in mind. Self-hosting demands Linux and Docker skills plus ongoing updates and scaling; teams without that capacity must pay for cloud hosting instead.[1]

Repository review signals: unknown status, very stale · Observed August 31, 2026.

Read project review Official website

Sources and editorial review

Source research. Reviewed on October 9, 2026. Written by Sanjib Sah. AI assisted; reviewed by a human editor.

We have not run or tested this product.

Public G2 reviews of Chatwoot inspected October 2026: 81 published reviews scoring 4.4 out of 5, with 93 percent rating 4 or 5 stars. Reviewers are mostly small-business users in computer software and IT services. One short labelled excerpt is quoted with permission-gap noted; the rest informs editorial analysis only. Single-source sample: only the public G2 listing page was inspected (81 published reviews, 4.4 out of 5). No original Reddit reports were found within the research budget, so Reddit experience is an explicit gap. Counts and scores describe this sample only, not prevalence among all users.

Chatwoot: AI-powered customer support platform
official · Observed October 9, 2026
Official homepage: omnichannel inbox channel list, Captain AI, Twilio voice, WhatsApp calling, 150+ integrations, help center, migration pages, 24,000+ GitHub stars and 7,000+ companies claims, SOC 2 and HIPAA badges.
Chatwoot pricing: Hacker, Startups, Business, Enterprise
official · Observed October 9, 2026
Official pricing page: four cloud tiers, Captain AI credit inclusions, add-on list (WhatsApp calling, extra retention, numbers), AWS US hosting, data-export policy, OSS and startup discounts.
Chatwoot self-hosted documentation
official · Observed October 9, 2026
Official self-hosted documentation: MIT license, Docker on Linux, 2 GB RAM minimum, PostgreSQL and Redis, stable release branch guidance, upgrade backup procedure, troubleshooting contacts.
Chatwoot reviews on G2
community · Observed October 9, 2026
G2 review listing: 4.4/5 from 81 reviews, 93% 4-5 stars, category scores, reviewer size/industry mix, individual review texts used for one labelled excerpt and theme analysis. Not a prevalence sample.

Cossistant

AI-agent customer support that lives inside React and Next.js apps

Open sourceAGPL-3.0Self-hostedManaged hosting

React and Next.js SaaS teams that want support inside their product benefit most from Cossistant. Its concrete strength is a drop-in widget and inbox with an AI agent that answers from crawled docs and conversations, escalates to humans when unsure, and wires into tools such as Linear, Stripe, and Cal.com. The material constraints are licensing and youth: commercial use needs a paid licence on top of AGPL-3.0 non-commercial terms, and the free cloud tier caps at 20 conversations and 200 messages per rolling 30 days. If you need embedded React support with a trainable agent, choose Cossistant; if you need a standalone multi-channel helpdesk with established reporting, choose Intercom or Zendesk.[1][2][3]

Good fit. SaaS teams shipping on React and Next.js get in-app support chat that feels like part of the product, installed as components rather than bolted on as a separate portal.[1][2]

Keep in mind. The repository is AGPL-3.0 for non-commercial use only, and commercial deployments need a paid commercial licence arranged by email, so businesses must clear licensing before embedding it.[1]

Repository review signals: unknown status, very stale · Observed October 3, 2026.

Read project review Official website

Sources and editorial review

Source research. Reviewed on October 9, 2026. Written by Sanjib Sah. AI assisted; reviewed by a human editor.

We have not run or tested this product.

Cossistant official site
official · Observed October 9, 2026
Official homepage: under-10-lines install, drop-in widget and inbox, self-learning knowledge base from docs and conversations, training handoff flow, default Linear/Stripe/Cal.com tools plus custom APIs, model/prompt/personality control, React/Next.js/Tailwind/shadcn fit, about 729 GitHub stars.
Cossistant pricing
official · Observed October 9, 2026
Official pricing page: Free $0/mo caps, Hobby $20/mo, Pro $40/mo launch promo, seats, AI credits, training caps, self-host as advanced feature; FAQ answer bodies client-rendered and unobserved.
Cossistant README
official · Observed October 9, 2026
README: React/Next.js packages, Turborepo/Bun/TypeScript/Hono/tRPC/Drizzle/Better Auth/Tailwind/WebSockets/Docker stack, AGPL-3.0 non-commercial licence with paid commercial licence contact, Vercel OSS program.

Erxes

Open-source experience platform for marketing, sales, and support

Open sourceAGPL-3.0Self-hostedManaged hosting

Erxes fits small to mid-sized teams that want marketing, sales, and support in one self-hosted workspace instead of paying for HubSpot plus Zendesk plus Linear. Its plugin-based Experience Operating System covers a shared team inbox, tiered sales pipelines, marketing automation, and task tracking, with a free hosted tier for up to 1,000 contacts. The material constraint is operational maturity: self-hosting needs in-house effort and the independent user-report record is thin at 7 short launch reviews. If you have DevOps capacity and want data ownership, choose the Community Edition; if you need a managed service with minimal setup, choose the hosted Growth plan.[1][2][3][4]

Good fit. Teams currently paying for HubSpot plus Zendesk plus Linear that have someone able to run a self-hosted service gain the most, since one system covers all three workflows.[1][2]

Keep in mind. Teams with nobody to operate a self-hosted service should avoid the Community Edition path, since the vendor itself sells assisted onboarding as a 499 dollar service.[1][2]

Repository review signals: unknown status, very stale · Observed October 5, 2026.

Read project review Official website

Sources and editorial review

Source research. Reviewed on October 9, 2026. Written by Sanjib Sah. AI assisted; reviewed by a human editor.

We have not run or tested this product.

Product Hunt launch page for erxes observed October 2026: 7 short user reviews and maker comments, plus the maker's Retroky skeptics paragraph. Very thin public record: one launch announcement with 7 short reviews and no inspected Reddit or G2 firsthand deployment reports. No prevalence or satisfaction conclusions can be drawn; the section below summarizes only the inspected sample.

erxes/erxes GitHub repository
official · Observed October 9, 2026
Official monorepo for the Experience Operating System: tagline unifying marketing, sales, operations, and support; AGPL-3.0 license; about 3,500 stars and 800 forks observed; positions against HubSpot, Zendesk, Linear, and Wix; enterprise plugins under separate license.
erxes official product introduction
official · Observed October 9, 2026
Official product introduction: XOS definition, Marketing/Sales/Support/Operations module descriptions, plugin catalogue of 20 plus modules, 25,000-plus company claim (vendor-reported, unverified), and self-hosting documentation path.
erxes official pricing
official · Observed October 9, 2026
Official hosted pricing checked October 2026: free tier (1,000 contacts, 2 seats), Growth 19 dollars monthly or 15 dollars annual per seat, Scale from 12,500 dollars per year, 300 dollar credit footnote, 499 dollar onboarding and integration services.
erxes Product Hunt launch page
community · Observed October 9, 2026
Launch announcement page: team-inbox positioning, one-team-experience framing, 7 short user reviews praising the open-source approach, maker Retroky skeptics paragraph, 17,500 follower claim (maker-claimed, unverified). Used only as an aggregate interest signal, not a testimonial source.

Frappe Helpdesk

Open-source helpdesk with ticketing, SLAs, and unlimited agents

Open sourceAGPL-3.0Self-hostedManaged hosting

Frappe Helpdesk is a free, open-source ticketing system that consolidates email, form, and portal requests into one SLA-tracked queue with a customer portal and a suggesting knowledge base. Its strength is unlimited-agent support without a license fee; its price is real server operations, since even the easy path needs a server, a domain, and email. Choose it when self-hosted control matters more than turnkey signup; choose hosted Zendesk-style tooling when nobody on the team runs servers.[1][2][3][4]

Good fit. A support team that commits to response and resolution targets and needs tracking plus escalation to keep them. This is an editorial inference from the documented SLA and assignment areas.[1][2]

Keep in mind. Even with the easy-install script, the operator provides a server, a domain, and email plumbing, and the Bench path needs the Frappe toolchain, which is more than a turnkey signup for a non-technical team.[1]

Repository review signals: unknown status, stale · Observed October 6, 2026.

Read project review Official website

Sources and editorial review

Source research. Reviewed on October 9, 2026. Written by Sanjib Sah. AI assisted; reviewed by a human editor.

We have not run or tested this product.

Five inspected G2 reports on Frappe Helpdesk (observed 2026-10-09): reviewers describe a consolidated multi-channel queue and an easy-to-learn ticketing workflow; one labelled 22-word excerpt is quoted exactly and the full reviews page is linked. Five-report G2 sample with versions unstated on most reports; enterprise and self-hosting operator experiences are underrepresented. One complaint alone is treated as an anecdote, not a prevalence claim.

Frappe Helpdesk official product page
official · Observed October 5, 2026
Official product page: open-source helpdesk with unlimited agents, centralized ticketing, SLA rules with escalations, portal with knowledge base, Framework customization, dashboards, PWA; comparison table against Zendesk, Zoho Desk, Freshdesk, Jira.
Frappe Helpdesk ticket management
official · Observed October 5, 2026
Official ticket-management page: shared queue, priorities, statuses, canned replies, split and merge, assignment rules.
Frappe Helpdesk SLAs
official · Observed October 5, 2026
Official SLA page: response and resolution targets, tracking, reminders, escalations.
Frappe Helpdesk pricing
official · Observed October 5, 2026
Official pricing page: free self-hosting; Frappe Cloud per-site monthly pricing with unlimited agents, tickets, customers; warranty and partner options.
Frappe Helpdesk installation docs
official · Observed October 5, 2026
Official installation docs: Docker path, easy-install script, Bench commands, server/domain/email prerequisites.
Frappe Helpdesk G2 reviews (community)
community · Observed October 9, 2026
G2 pros/cons sample: five Frappe Helpdesk reviews; positive reports on the consolidated queue and easy ticketing workflow; mild criticism. Reviewer handles shown without per-quote mapping in the inspected sample.

FreeScout

Free self-hosted helpdesk and shared inbox for support teams

Open sourceAGPL-3.0Self-hosted

Email-heavy support teams that can run a PHP server will get the most from FreeScout: the shared inbox, collision-safe triage, and unlimited core capacity reproduce the Help Scout workflow without a subscription. Teams without server capacity, or ones needing API access, SSO, or AI replies out of the box, should stay hosted or budget for paid modules first. If the server and mail setup are already yours, install the free core and buy modules only after testing; if uptime must simply be someone else's job, choose Help Scout or Zendesk instead.[1][2][3][4]

Good fit. Teams replacing Help Scout or Zendesk: the queue, collision handling, and mailbox model mirror the hosted tools, minus the subscription.[1][2]

Keep in mind. Teams without server capacity: there is no managed service, so updates, backups, deliverability, and uptime stay the team's job.[1][2]

Repository review signals: unknown status, stale · Observed October 6, 2026.

Read project review Official website

Sources and editorial review

Source research. Reviewed on October 9, 2026. Written by Sanjib Sah. AI assisted; reviewed by a human editor.

We have not run or tested this product.

Five inspected firsthand user reviews from a 13-review third-party aggregator page, ratings 3.0 to 5.0, reported usage of six months to two years, observed October 2026. Small inspected slice of one aggregator page; product versions and deployment setups are not always stated and older reviews may predate the current module lineup; no sentiment-prevalence inference is possible. No Reddit or G2 report was located in this pass, so no exact-quote testimonial is included.

FreeScout official homepage
official · Observed October 9, 2026
Official homepage: free self-hosted help desk and shared mailbox; Help Scout and Zendesk alternative positioning; shared mailbox, email integration, live chat, Messenger, WhatsApp, Telegram, API and webhooks, incoming webhooks, reports, audit log, end-user portal, 10+ languages; install options including web installer, Ubuntu script, one-click installers, and Docker.
FreeScout features
official · Observed October 9, 2026
Official features listing: ticket management with collision detection, live chat, messaging channels, REST API and webhooks, reports, audit log, and end-user portal.
FreeScout modules catalogue
official · Observed October 9, 2026
Official module catalogue: 30+ installable modules with lifetime fees for one installation each; observed examples include End-User Portal 99 dollars, AI Writer 99 dollars, Ticket Number 59 dollars, Time Tracking 39 dollars, Incoming Webhooks 99 dollars; licences non-transferable and all sales final.
FreeScout repository
official · Observed October 9, 2026
Public repository record: PHP help-desk application, AGPL-3.0 licence, observed 6023 stars and 907 forks; PHP 7.4 to 8.4 with MySQL, MariaDB, or PostgreSQL; web installer, Ubuntu script, one-click installers, Docker image; no vendor-hosted service.
FreeScout reviews on Capterra
community · Observed October 9, 2026
Third-party review-aggregator page carrying 13 firsthand user reviews with a 4.2 average; inspected reviews span ratings 3.0 to 5.0 and usage of six months to two years. Used only for paraphrased community signal; not a Reddit or G2 source, so no testimonial quotation is taken from it.

Zammad

Open-source helpdesk and customer support platform

Open sourceAGPL-3.0Self-hostedManaged hosting

Support teams that want a Zendesk-style helpdesk with full data control will love Zammad. Its AGPL-3.0 self-hosting, multichannel inbox, and official Zendesk migration path cover email, chat, phone, and social tickets under GDPR-aligned operation. Teams without Linux or Docker skills should avoid self-hosting and choose the managed cloud plan instead, since server work stays your job. If you need data control and have operators, self-host it; if you need zero operations, take the cloud trial.[1][2][3]

Good fit. Support teams that want a Zendesk-style workflow with data control get an explicit migration path, a plan comparison, and switcher stories rather than a do-it-yourself departure.[1]

Keep in mind. Self-hosting means operating a full Rails application with its database and search services; teams without that capacity must pay for the managed cloud instead.[1]

Repository review signals: unknown status, stale · Observed October 13, 2026.

Read project review Official website

Sources and editorial review

Source research. Reviewed on October 13, 2026. Written by Sanjib Sah. AI assisted; reviewed by a human editor.

We have not run or tested this product.

AI-Powered Service Platform for All Support Needs | Zammad
official · Observed October 13, 2026
Official homepage: helpdesk and customer-support positioning, trial offered self-hosted or cloud, multichannel contact across email, telephone, chat, and social media, GDPR and EU-based operation.
Zammad as an Alternative to Zendesk
official · Observed October 13, 2026
Official comparison page: Zammad positioned as an alternative to Zendesk with plan-by-plan comparison, migration wizard importing Zendesk tickets, EU hosting and GDPR contrast, and customer stories of Zendesk switchers.
zammad/zammad on GitHub
official · Observed October 13, 2026
Repository page: web-based open-source helpdesk/customer-support system owned by the Zammad Foundation, AGPL-3.0 source, 20,000+ commits, Ruby/Rails plus JavaScript/TypeScript/Vue.js topics, Docker images, Helm chart, DEB/RPM downloads, REST API docs link.

Compare Zendesk alternatives

Known catalogue facts at a glance. Columns with no reviewed values are omitted. “Not reviewed” means unknown, not that a capability is absent.

Known facts for Zendesk alternatives
Project	License policy	Hosting	Deployment	Enterprise support	Best fit
Chatwoot	MIT · OSI-approved	Self-hosted	Not reviewed	Not reviewed	Not reviewed
Cossistant	AGPL-3.0 · OSI-approved	Self-hosted + Managed	moderate	Not reviewed	In-app support chat; AI-first helpdesks
Erxes	AGPL-3.0 · OSI-approved	Self-hosted + Managed	moderate	Yes	Teams consolidating marketing, sales, and support on one self-hosted platform; Organizations replacing HubSpot or Zendesk with source-available software
Frappe Helpdesk	AGPL-3.0 · OSI-approved	Self-hosted + Managed	moderate	Yes	Customer support ticket queues; SLA-driven support teams
FreeScout	AGPL-3.0 · OSI-approved	Self-hosted	easy	Not reviewed	Teams replacing Zendesk or Help Scout; Shared-mailbox customer support
Zammad	AGPL-3.0 · OSI-approved	Self-hosted + Managed	moderate	Not reviewed	Support teams leaving Zendesk that want a self-hosted helpdesk; Privacy-regulated teams needing GDPR and EU-hosted operation

Before you switch

Check that the project covers the workflows and data you need to move.
Confirm that the license terms fit how you plan to run, modify, and distribute it.
Choose between self-hosting responsibility and a reviewed managed option.
Open the project page for repository freshness, review dates, and any unresolved requirements.

About Zendesk

Zendesk is built for support as a function with headcount, shifts, and service level agreements, rather than for a founder answering email. Routing, macros, and SLA policies are the substance of it.

It is heavier than the messenger-first tools and better at the operational reality of a support team once that team passes about ten people.

Zendesk · From $19/agent/month · Checked August 31, 2026

Official website

How this list is ordered

Recommended · Organic catalogue order.

A deterministic editorial score using relationship confidence, category fit, logarithmic popularity, as-of maintenance and freshness, with bounded anomaly quarantine and known-data penalties. Payment is fixed at zero.

Payment does not affect organic ranking. Order is a starting point, not a universal recommendation.

OpenAlternative organic alternatives v4 · version 4