SpacerrApps

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Developer tools apps

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Every developer tools apps listed on SpacerrApps, 80 of them so far, each written up in plain language from what the person who built it told us.

SpacerrXFeatured174 clicks

Everything you need to grow and monetize on X, brought together in one extension that works directly inside X.com in your own voice, ban-safe, and completely free to start.

Communication, Social

1

Easy ScaleFeatured178 clicks

Ask an AI which tool to buy and it names three companies. EasyScale finds the questions where yours is missing, publishes the content that fixes it, and tracks it.

Marketing, Analytics, Automation

4

MockBase2 clicks

A real HTTPS endpoint that answers how you tell it to: conditional responses, stateful CRUD, deliberate failures, and every request visible live.

Developer tools, Utilities, Productivity

4

Keymap1 clicks

Keymap is a macOS menubar app that shows every menu shortcut in the app you're using. Double-press ⌘ to summon the panel. Local and private.

Productivity, Utilities, Developer tools

2

VibeFix

VibeFix is an AI code detector for GitHub. Detect AI generated code, analyze code maintainability, and automate pull request reviews.

Developer tools

0

Moonshot6 clicks

Record your screen, capture screenshots, and share by link. Turn recordings into AI summaries, action items, and bug reports for Linear and GitHub.

Developer tools, Productivity, Photo and video

1

Synoptix AI

Power your enterprise with Synoptix AI—a scalable, secure enterprise AI platform built to drive innovation, automation, and intelligent business decisions.

Developer tools, AI, Launch platforms

0

Text Differ

Free online tool to compare difference between two texts. Instantly check text similarity and changes line by line, word by word and char by char.

Productivity, Developer tools

0

FlatBB7 clicks

Free open-source forum you install by unzipping a folder, with SQLite or MySQL support.

Developer tools, Open source, Communication

1

Da checker11 clicks

Check Moz Domain Authority, Ahrefs Domain Rating and Majestic Trust Flow for a whole list of domains in one run, then export straight to CSV or Google Sheets and many seo tools . Free to start

SEO, Data, Developer tools

3

Arb3a BalootFeatured99 clicks

Baloot is the classic Gulf card game: four players in two facing teams, a mix of wit, strategy and prediction. Every round is a battle of minds: read your opponent's hand, trust your partner, win.

Games, Mobile

3

Layeron4 clicks

Создавайте сайты и веб-продукты с помощью ИИ: Layeron генерирует интерфейс и редактируемый код, подключает сервисы и публикует проект в облако.

AI, Developer tools, Design

1

Vid Kraken

REST API to download YouTube videos as MP4 or MP3 in one request. We handle bot detection, proxies & retries — no 403s, no cookies. Free tier included.

Productivity, Developer tools, Web3

0

SketchMason

SketchMason is an AI design tool that turns rough sketches into finished, consistent UI designs and full product flows.

Design, Developer tools, AI

0

TopSAAS

Discover the best curated SaaS products, AI tools, and indie software. Ranked by the community in real time.

Developer tools, Productivity

0

SaaS Rank

The leaderboard for SaaS builders. Pay to climb, get discovered, and compete for #1.

Developer tools, Marketing, Analytics

0

Hacking.community5 clicks

Train across 143+ browser-based cybersecurity labs, compete in live CTFs and multiplayer networks, and build verifiable offensive and defensive skills.

Security, Education, Developer tools

1

SSHFlow

Manage servers, terminals, SFTP, Code Editor, and databases in one workspace. A persistent workspace for every server, over standard SSH.

Developer tools, Productivity, DevOps

0

URLzio Shortener

Shorten links with image preview instantly. URLzio is a free image URL shortener that makes your links look like real websites & increases click through rates.

Marketing, Developer tools, SEO

0

Stash

Mac screenshots and recordings with app, window, and accessibility context for AI coding agents. Includes clipboard history, annotations, and shareable video demos.

Developer tools, Productivity, Photo and video

0

ClawBench21 clicks

Benchmark AI agents on SWE-Bench Verified, Terminal Bench, Web Tasks, SkillsBench, and ClawBench Entry Test with live traces, public leaderboards, and self-improvement loops.

Developer tools, AI, Analytics

4

Vynaris

Hosted uncensored Qwen3.8-27B, DeepSeek-V4-Flash-0731, and Qwen3.6-35B-A3B for authorized security research.

AI, Security, Developer tools

0

Base202623 clicks

Search reviewed expert-video insights with creator attribution and original-source context.

Open source, Productivity, Developer tools

5

MirrorFly Chat API20 clicks

MirrorFly is a customizable Chat API and SDK platform with 1,000+ features, AI tools, full source code, and cloud, self-hosted, or on-premise deployment.

Developer tools, Communication, Open source

7

Ideavibes AI7 clicks

Our continuous iteration engine protects you from AI slop, gets your product live, and makes it better as your business grows.

Developer tools, Productivity, AI

4

Uplint2 clicks

Uplint is the trust layer for incoming data. Validate files, detect blank content, scan for malware, and log every upload - all in one API call. Free tier available.

Developer tools, Security, No-code

0

Campus16 clicks

Campus brings your repository, terminal, project knowledge, conversations, and AI agent work into one shared workspace, keeping teams and agents in context without searching across scattered tools.

Developer tools, Productivity, Communication

3

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