Free Error monitoring - 29 Free AI tools

LanguageTool

Instantly check grammar and style in 30+ languages.

Text rewriting

Open

useful program

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Released 5y ago

Free + from $4.32/mo

4,994

45

Decipher

AI that analyzes your session replays to uncover issues and behavior

Debugging

Open

958 getdecipher.com

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Released 2y ago

Free + from $199/mo

4,902

43

3.5

FuturePerfect

Scan Your Entire Website to Detect Spelling and Grammar Mistakes

Website proofreading

Open

Dario Gustavo Arraigada

🙏 6 karma

Jun 22, 2024

@FuturePerfect

Very Good...Scan

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Released 1y ago

Free + from $6/mo

3,402

39

3.6

Modelfy 3D

Transform any image to 3D models instantly.

3D

Open

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Released 6mo ago

3,601

35

Textbuddy

Improve writing clarity with plain language analysis.

Grammar

Open

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🇩🇪 Germany

Released 3y ago

Free + from $9/mo

8,290

32

Grammar Check

AI-powered grammar perfection, instantly.

Grammar

Open

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Released 3y ago

Free + from $7/mo

2,318

30

Oopsie, by Zipy

Debug Flutter & React Native mobile apps with AI & Session Replays

App testing

Open

1,065 www.zipy.ai

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Released 1y ago

Free + from $39/mo

2,795

26

4.2

Hexometer

AI website monitoring to protect and grow your business

Website monitoring

Open

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Released 5y ago

Free + from $10/mo

2,642

22

Momentic

Stop wasting time on flaky tests

Software testing

Open

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Released 2y ago

No pricing

3,205

20

Grammar Checker.cc

Instantly correct grammar, punctuation, and spelling mistakes.

Grammar

Open

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Released 7mo ago

100% Free

799

15

Monitup

Measure and boost productivity with AI-powered tracking.

Time tracking

Open

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Released 3y ago

Free + from $6/mo

3,535

15

TweetCheck

AI grammar assistant for Twitter posts and messages

Proofreading

Open

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Released 1y ago

100% Free

808

12

Multiplayer.app

The debugging agent for developers.

Debugging

Open

4,335 www.multiplayer.app

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Released 8mo ago

Free + from $12/mo

5,156

10

Beacon AI

Track your visibility across AI-powered search engines.

SEO analysis

Open

19,742 www.hellobeacon.ai

New Odyssey

🛠️ 2 tools 🙏 22 karma

Jan 14, 2026

@Beacon AI

We're looking to rollout major integrations for Google Search Console and Bing within the coming week. Contact us for more information on our roadmap!

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Released 4mo ago

Free + from $49/mo

21,179

10

Octoeverywhere

Auto-detect 3D printing failures with AI vision

3D printer monitoring

Open

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Released 3y ago

Free + from $3.99/mo

1,917

9

WebAssistants.ai

Add custom AI assistants to your website in minutes.

Chatbots

Open

1,508 webassistants.ai

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Released 1y ago

Free + from $9/mo

2,233

8

2.0

LLMonitor

Observability and analytics for AI agents and chatbots

App testing

Open

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Released 2y ago

Free + from $20/mo

1,448

8

EasyMark

Grade essays in 30 seconds with AI

Essay grading

Open

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Released 2y ago

Free + from $9.99/mo

375

8

Lunary

Bring your AI app to production

Apps

Open

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Released 2y ago

Free + from $20/mo

809

7

Contentsquare

Unlock digital experience insights with AI-powered analytics

Data analysis

Open

329 contentsquare.com

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Released 2y ago

Free + from $41.96/mo

730

7

Ahrefs Grammar Checker

Catch grammar, spelling, and punctuation errors effortlessly.

Grammar

Open

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🇸🇬 Singapore

Released 2y ago

100% Free

134

7

ETLR

AI workflows as code, deployed in minutes.

Workflows

Open

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Released 4mo ago

Free + from $27/mo

535

4

Raygun

Detect, diagnose, and resolve app issues fast

Debugging

Open

479 raygun.com

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Released 3y ago

Free + from $40/yr

777

3

Check Typo

AI-powered precision for flawless writing.

Spelling

Open

521 checktypo.com

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Released 2y ago

Free + from $14.99/mo

997

3

3.0

Braintrust

AI observability platform for building quality AI products.

AI observability

Open

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Released 2y ago

Free + from $249/mo

47

2

Middleware

Monitor and diagnose cloud apps at scale

Cloud monitoring

Open

71 middleware.io

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Released 3y ago

Free + from $0.3

689

2

Engram

Fix grammar and more with ChatGPT-powered AI

English lessons

Open

1,070 www.engram.us

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🇰🇷 Korea

Released 2y ago

Free + from $12.99/mo

2,169

2

StudyX

Your all-in-one homework copilot

Homework

Open

2,357 studyx.ai

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Released 2y ago

Free + from $6.49/mo

3,682

1