MongooseIM

erlang-solutions.com · checked 9 Oct 2026

#23 · Chat APIs

Visit erlang-solutions.com ↗ Alternatives MongooseIM vs Sendbird Chat

How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on Chat APIs5.9#23 of 32

MongooseIM is an open-source XMPP instant messaging server for building business communication systems.

Pricing

MongooseIM open-source softwareFree and open source instant messaging solutionFree
Basic supportContact Erlang Solutions for details · One technology · one user account · limited consultative support hoursOn request
Business supportContact Erlang Solutions for details · Two user accounts · consultative support hours · three working day resolution planOn request
Enterprise supportContact Erlang Solutions for details · Five user accounts · unlimited consultative support · one working day resolution planOn request
Extended supportContact Erlang Solutions for details · Tailored support · platform migration, testing, ongoing support and upgradesOn request

As erlang-solutions.com lists them, checked 9 Oct 2026.

Near it

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Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: erlang-solutions.com
Price: Free tier
Free trial: Not stated
APIs and configuration: MongooseIM offers GraphQL APIs and uses TOML configuration.
Demo limits: The tryMongooseIM demo allows one short-lived XMPP domain for one week, up to 10 accounts on that domain, and prohibits commercial use.
Headquarters: London, United Kingdom
Integrations: The maker lists PostgreSQL, MySQL, CockroachDB, Cassandra, Elasticsearch, Redis and LDAP support, plus event pushing to Amazon SNS, RabbitMQ, custom HTTP services and MongoosePush.
Intended users: The maker positions MongooseIM for organizations needing scalable real-time messaging, including healthcare and financial services deployments.
Messaging features: The backend supports device switching, group chat, inbox functionality and delivery confirmation.
Mobile notifications: MongoosePush can send notifications to iOS and Android devices, including through APNs and Google FCM.
Monitoring: MongooseIM provides technical and business metrics and monitoring infrastructure for DevOps visibility.
Multi-tenancy: A single server can manage thousands of XMPP domains grouped into host types, with domains isolated or connected together.
Scale: The maker says the server can support millions of concurrent users through vertical and horizontal scaling, including across globally distributed data centers.
Security and privacy: The product page states that MongooseIM supports end-to-end encryption and is GDPR-compliant; the 6.4 release article describes TLS 1.3 support.
Support: Erlang Solutions offers MongooseIM support packages, with contact-based pricing and different support hours, account counts and resolution plans.

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