Top 12 Open-Source Alternatives to Entity Signal

Product categories

API Tools Analytics App Development Backend As A Service CRM Data Integration Databases Developer Tools Mobile Push Messaging Realtime Backend / API Web Frameworks Web Push Notifications

Summary

The top open-source alternatives to Entity Signal are OneSignal, emitter.io, and NATS. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

OneSignal Landing Page
1

OneSignal

Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
Pricing:
- Open Source
- Freemium
- Free Trial
- $9.0 / Monthly (Plus usage-based costs. (Growth Plan). )
#Mobile Push Messaging #Web Push Notifications #Push Notifications 25 social mentions
emitter.io Landing Page
2

emitter.io

Real-time communication service for connecting online devices.
Pricing:
- Open Source
#Developer Tools #Mobile Push Messaging #App Development
NATS Landing Page
3

NATS

NATS.io is an open source messaging system for cloud native applications, IoT messaging, Edge, and microservices architectures.
Pricing:
- Open Source
#Developer Tools #Queueing, Messaging And Background Processing #App Development 63 social mentions
Pusher Landing Page
4

Pusher

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
Pricing:
- Open Source
#Mobile Push Messaging #Developer Tools #App Development 50 social mentions
Faye Landing Page
5

Faye

Simple pub/sub messaging for the web
Pricing:
- Open Source
#Developer Tools #App Development #Data Integration 2 social mentions
Socket.io Landing Page
6

Socket.io

Realtime application framework (Node.JS server)
Pricing:
- Open Source
#Developer Tools #App Development #Mobile Push Messaging 717 social mentions
Flask Landing Page
7

Flask

a microframework for Python based on Werkzeug, Jinja 2 and good intentions.
Pricing:
- Open Source
#Python Web Framework #Web Frameworks #Developer Tools 42 social mentions
Supabase Landing Page
8

Supabase

An open source Firebase alternative
Pricing:
- Open Source
#Developer Tools #Realtime Backend / API #Backend As A Service 429 social mentions
Etebase Landing Page
9

Etebase

Etebase makes it easy to build end-to-end encrypted applications by taking care of the encryption and its related challenges.
Pricing:
- Open Source
#Mobile Push Messaging #Realtime Backend / API #CRM
RxDB Landing Page
10

RxDB

A fast, offline-first, reactive Database for JavaScript Applications
Pricing:
- Open Source
#NoSQL Databases #Databases #Developer Tools 10 social mentions
Scaledrone Landing Page
11

Scaledrone

Realtime messaging service
Pricing:
- Open Source
#Mobile Push Messaging #Developer Tools #Realtime Backend / API
SapphireDb Landing Page
12

SapphireDb

SapphireDb is an open source library that enables you to easily create your own application with realtime data synchronization. It extends your Asp.Net Core Application with EF Core and combines the advantages of firebase and .Net Core together.
Pricing:
- Open Source
#Development Tools #Realtime Backend / API #Mobile Push Messaging