Best application user experience testing tools in 2025

Microsoft Luis

Natural language understanding for smarter application development.

BERT

Advanced model for understanding human language context.

PaletteBrain

Integrates AI capabilities into macOS applications for productivity.

Paid + from $29/once
open
Pinokio

One-click management for server applications on personal computers.

Microsoft Power Fx

A low-code language for building applications using simple formulas.

Vllm

Efficient engine for serving large language models with speed.

RunningHub

Create AI applications easily without coding expertise.

Deepgram

Voice AI technology for accurate speech recognition and synthesis.

SpeechBrain

Open-source toolkit for creating speech recognition and enhancement models.

CodeSandbox

Create and collaborate on code in isolated online environments.

Chatclient

Custom AI agents for automating customer interactions globally.