Life & fun · alternatives · 2026

24 alternatives to Lambda Chat – A dynamic web app using AWS Lambda

Lambda Chat is a web application built on AWS Lambda that enables real-time messaging and communication. Launched in 2015, it serves users looking for a lightweight chat solution powered by serverless cloud… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Lambda Chat – A dynamic web app using AWS Lambda launched in 2015; newer entries below may have overtaken it.

1
Let's Chat, a self-hosted chat app for small teams▲350
Self-hosted chat for small teams.
2015 · sdelements.github.io · its alternatives →
2
Relay▲430
An extension that adds Discord-style chat to every website
2020 · its alternatives →
3
Let's Chat▲323
Like Slack, but opensource and self-hosted.
2015 · sdelements.github.io · its alternatives →
4
Stream Chat▲327
Build, code and ship in app messaging in a few hours
2019 · getstream.io · its alternatives →
5
Chat▲88
turn your backend into a chat app instantly
Mar 2026 · github.com · its alternatives →
6
LambdaTest▲127
Ensure your web-apps work seamlessly across all browsers.
2018 · testmuai.com · its alternatives →
7
Up▲334
Deploy serverless apps and APIs in seconds to AWS Lambda
2019 · github.com · its alternatives →
8HC
Husky Chat, a Chrome extension that overlays a chatroom on any website▲37
2012 · huskylab.co · its alternatives →
9LT
Lambda – The first-ever open-source privacy based social media app▲14
Hi HN community! NOTE: This is a repost due to missing of links I’m excited to introduce Lambda, a project I've been working on. Lambda is the world's first open-source social media app designed to prioritize your privacy and well-being. It's still in its early stages, but I'm eager to share it with you and get your feedback. What is Lambda? Lambda is an open-source social media app that addresses privacy concerns and reduces social media addiction. Here's what makes Lambda unique: - Privacy First: Lambda does not collect personal information beyond your email address for account creation.…
2024 · its alternatives →
10
A web text-editor where you can write, compute and draw▲218
2022 · lambdaway.free.fr · its alternatives →
11
Rix.chat▲258
The AI search companion, optimized for developers
2023 · hashnode.com · its alternatives →
12
AutoInfra AI▲115
AI chat to control AWS
2023 · autoinfra.ai · its alternatives →
13
Lambda speech▲33
2018 · b2b3.free.fr · its alternatives →
14
Whale▲94
Build chat-based applications for a seamless user experience
2024 · vercel-whale-platform.vercel.app · its alternatives →
15
Mitter▲137
Flexible, private cloud chat API for developers
2019 · its alternatives →
16
Base Chat▲239
The simplest way to chat with your knowledge base
2025 · ragie.ai · its alternatives →
17
Chat'Inn▲69
Miminal, Clean and Realtime Global Chat Application
2022 · chat-inn.vercel.app · its alternatives →
18
Azure Communication Services▲62
Communication APIs powered by Microsoft
2020 · azure.microsoft.com · its alternatives →
19
Pure Chat - Free Live Chat▲134
Free full-featured live chat with unlimited users & chats
2017 · purechat.com · its alternatives →
20
AiOps Chat▲69
Cloud management via GPT-3 powered chat bot
2023 · its alternatives →
21
Serverless Framework v1.0▲150
Build auto-scaling, pay per execution apps on AWS Lambda
2016 · serverless.com · its alternatives →
22
ChatWithCloud▲9
Chat with your AWS Cloud, literally
2024 · chatwithcloud.ai · its alternatives →
23LA
Lambdacult, a low-cost alternative to API Gateway for Lambda functions▲47
2017 · lambdacult.com · its alternatives →
24
Push Chat▲113
Your decentralized, uncensorable & web3-native chat solution
2023 · app.push.org · its alternatives →

Also compare

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →