Best App Development Products in 2025

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

Key Firebase features:

Real-time Database Easy Integration Scalability Authentication Services

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Key Flagsmith features:

Feature Flags Remote Config A/B/X Testing & Optimization Organization Management

Try for free Open Source freemium

Android development environment based on IntelliJ IDEA.

Key Android Studio features:

Comprehensive Development Environment Rich Features Integrated Emulator Official Support

Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.

Key Xcode features:

Integrated Development Environment Interface Builder Swift and Objective-C Support Simulator

Realtime application framework (Node.JS server).

Key Socket.io features:

Real-time Communication Cross-browser Compatibility Fallback Support Event-driven Architecture

Open Source

JavaScript library for app development using cloud services.

Key AWS Amplify features:

Ease of Use Integration with AWS Services Speed of Deployment Automated Workflows

Build Enterprise-Grade Apps Fast.

Key OutSystems features:

Speed of Development Integration Capabilities Scalability Cross-Platform Deployment

An open source Firebase alternative.

Key Supabase features:

Real-time capabilities PostgreSQL foundation Open-source Ease of use

Open Source

Create iOS, Android and Mac apps in C#.

Key Xamarin features:

Cross-Platform Development Native Performance Shared Codebase Large Ecosystem

Open Source

Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.

Key Parse features:

Open Source Rich Feature Set Cross-Platform Support Community and Documentation

Open Source

Adobe® AIR® runtime enables developers to package the same code into native apps for Windows and Mac OS desktops, iPhone, iPad, Kindle Fire, Nook Tablet & Android. Buy now.

Key Adobe AIR features:

Cross-platform compatibility Rich multimedia capabilities Offline functionality Strong developer community

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.

Key Pusher features:

Real-Time Capabilities Ease of Use Scalability Security

Open Source

SignalR is a server-side software system designed for writing scalable Internet applications, notably web servers.

Key SignalR features:

Real-time communication Simplified development Automatic Reconnection Cross-platform support

Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products. .

Key Bubble.io features:

No Coding Required Customizable Rapid Prototyping Built-in Database