All Developer Tools

Localtunnel — Open-source tool exposing localhost ports over HTTPS for webhook testing and external API callback development.

LocationIQ — Geocoding and reverse geocoding API with routing, autocomplete, and matrix distance queries.

Locize — Localization management platform integrated with i18next for continuous translation delivery.

Loco — Localization management platform (localise.biz) with REST API, file format support, and translation memory.

Locofy — No-code / Low-code App Builders tool for developers. Specializes in AI Design to Code.

Locoia — low-code iPaaS from Germany with GDPR-first architecture. Visual flow builder for SaaS, databases, and custom API integrations.

Locust — Test Automation / Device Cloud tool for developers. Specializes in Load Testing.

Loft (vCluster) — CI/CD for Applications tool for developers. Specializes in Virtual Kubernetes Clusters.

Loft Labs — CI/CD for Applications tool for developers. Specializes in Virtual Clusters.

Log10 — AI API / SDK for Developers tool for developers. Specializes in LLM Observability.

log4js — CI/CD for Applications tool for developers. Specializes in Logging.

LogDNA — CI/CD for Applications tool for developers. Specializes in Log Management.

LogFire — CI/CD for Applications tool for developers. Specializes in Observability & Logging.

Loggly — CI/CD for Applications tool for developers. Specializes in Log Management.

Logically — disinformation and narrative intelligence platform with API for platform integrity.

LogicGate — Security Scanning / Mobile App Sec tool for developers. Specializes in GRC.

LogicMonitor — SaaS infrastructure monitoring for on-prem, cloud, and hybrid environments with AIOps-powered alerting.

LoginRadius — Identity / Auth / User Management tool for developers. Specializes in CIAM.

Logit.io — CI/CD for Applications tool for developers. Specializes in Log Management.

LogRhythm — Security Scanning / Mobile App Sec tool for developers. Specializes in SIEM.

LogRocket — Frontend monitoring platform with session replay, error tracking, and performance analytics.

Logseq AI — AI API / SDK for Developers tool for developers. Specializes in AI Knowledge Graph.

Logstash — CI/CD for Applications tool for developers. Specializes in Log Processing.

Logtail — CI/CD for Applications tool for developers. Specializes in Log Management.

Logto — CI/CD for Applications tool for developers. Specializes in Identity Management.

Loguru — CI/CD for Applications tool for developers. Specializes in Logging.

Logz.io — Observability / Logging / Tracing tool for developers. Specializes in Open Source Observability.

Lokalise — Translation management platform for apps and software with API, CLI, and 40+ integrations.

Loki — Observability / Logging / Tracing tool for developers. Specializes in log aggregation.

Longhorn — CDN / Edge / Acceleration tool for developers. Specializes in Cloud Native Storage.

Lookout — Security Scanning / Mobile App Sec tool for developers. Specializes in Mobile Security/SSE.

Loom — CI/CD for Applications tool for developers. Specializes in Video Recording.

LoopBack — CI/CD for Applications tool for developers. Specializes in API Framework.

AI-powered mobile and video ad platform optimizing brand advertising performance and in-app monetization.

Loops — Transactional and marketing email platform for SaaS companies with a clean event-driven API.

LootLocker — Game BaaS with player accounts, leaderboards, virtual currencies, and achievements for Unity and Unreal.

LoRA Studio — AI API / SDK for Developers tool for developers. Specializes in AI Model Fine tuning.

Loris — customer conversation intelligence with real-time guidance and abusive-language detection.

Losant — IoT application platform for connecting devices, building workflows, and visualizing sensor data.

Lost Pixel — CI/CD for Applications tool for developers. Specializes in Visual Testing.

Platform for creating, editing, testing, and sharing Lottie animations — lightweight JSON-based motion graphics for web and mobile apps. Includes a visual Lottie editor and marketplace.

Web-based Lottie animation editor for designers to create, edit, and ship interactive animations to apps and websites without coding. Trusted by 500,000+ designers.

Lovable — AI full-stack app builder that generates, edits, and deploys React applications from natural language chat.

Lovat Compliance — End-to-end VAT, GST and sales tax compliance software covering 100+ countries

Free, open-source 2D Lua game framework for Windows, macOS, and Linux. Minimal API with graphics, sound, and physics bindings—favored for game jams and indie projects.

Low-Code / No-Code tools — CI/CD for Applications tool for developers. Specializes in Internal Tools.

Lowcoder — No-code / Low-code App Builders tool for developers. Specializes in Open Source Internal Tools.

lru-cache — CI/CD for Applications tool for developers. Specializes in Cache Utilities.

Lucia — CI/CD for Applications tool for developers. Specializes in Authentication Library.

Lucidchart — No-code / Low-code App Builders tool for developers. Specializes in Diagramming Platform.

Community-maintained open-source icon library forked from Feather Icons with 1000+ consistent SVG icons. Provides React, Vue, Svelte, and Angular packages actively updated by the community.

Lucky Orange — CI/CD for Applications tool for developers. Specializes in Session Replay.

Ludwig — AI API / SDK for Developers tool for developers. Specializes in AutoML.

Luigi — Data Integration / ETL / Reverse ETL tool for developers. Specializes in Workflow Orchestration.

Luigi's Box — E-commerce search, autocomplete, and product recommendations platform with analytics.

Luma AI — AI API / SDK for Developers tool for developers. Specializes in Video Generation.

Lumigo — CI/CD for Applications tool for developers. Specializes in Serverless Observability.

Luna — Unity-owned creative testing platform for mobile UA campaigns with playable ad builder and creative performance analytics.

Free cross-platform UI/UX design tool by Icons8, supporting Sketch file format, built-in asset libraries, and optional self-hosted cloud. Runs on Windows, Mac, and Linux.

Lunary — AI API / SDK for Developers tool for developers. Specializes in LLM Observability.

Lunits medical imaging AI APIs — Lunit INSIGHT CXR and MMG for radiology and Lunit SCOPE for oncology research integrations.

Lura — CI/CD for Applications tool for developers. Specializes in API Gateway.

Luta Security — Security Scanning / Mobile App Sec tool for developers. Specializes in VDP Consulting.

Lutra AI — AI agent that writes and runs Python code to automate workflows. Connects to Gmail, Sheets, Slack, Notion, and custom APIs.

Luxon — CI/CD for Applications tool for developers. Specializes in Date Utilities.

LXC — CI/CD for Applications tool for developers. Specializes in Linux Containers.

Lytics — Customer data platform with ML-powered audience scoring and activation for marketing campaigns.

M-Pesa — Safaricom's Kenya-originated mobile money platform covering East Africa with STK push, C2B, B2C, and API integration.

M+C Saatchi Performance — global mobile-first marketing agency offering ASO, performance media buying and app marketing for brands like Reebok, BMW, HSBC from 9 hubs including London and Singapore.

m3ter — Usage-based billing infrastructure for high-volume SaaS with real-time metering, pricing engine, and billing statement generation.

Mabl — Test Automation / Device Cloud tool for developers. Specializes in Intelligent Test Automation.

Observability platform by Hatena Co. — Japanese APM with OpenTelemetry tracing, metrics, alerting for cloud systems.

Macrometa — Multi-model edge database and stream processing platform deployed across 175+ PoPs for low-latency data access.

Maestro — Mobile UI testing framework for iOS and Android using a simple YAML flow syntax without writing code.

Maestro Mobile — Release / App Store Operations tool for developers. Specializes in Mobile Testing.

Mage — Make-like build tool for Go projects using plain Go functions instead of shell scripts or YAML.

Mage AI — Data Integration / ETL / Reverse ETL tool for developers. Specializes in Data Orchestration.

Magic AI — Code Assistants / Agent Tooling tool for developers. Specializes in ai coding.

Magic Link — Identity / Auth / User Management tool for developers. Specializes in wallet auth.

Magic Patterns — AI API / SDK for Developers tool for developers. Specializes in AI Design-to-Code.

MagicBell — In-app notification system with embeddable notification inbox, multi-channel delivery, and developer-first REST API.

Chinese AI data service company providing speech, text and multimodal training datasets and labeling.

AI-powered Figma plugin for generating icons, images, and copy from text prompts directly inside Figma. Created by Diagram and acquired by Figma in 2023 — features now part of Figma AI.

Tokyo-based no-code test automation platform for web and mobile with 500+ customers including LINE.

Independent SSP for programmatic mobile, web, CTV and audio advertising formed from Rubicon Project and Telaria.

Magnitude — Code Assistants / Agent Tooling tool for developers. Specializes in AI Coding Agent.

Magnolia CMS — CI/CD for Applications tool for developers. Specializes in Headless CMS.

Mailazy — CI/CD for Applications tool for developers. Specializes in Email Delivery.

Mailchimp — CI/CD for Applications tool for developers. Specializes in Email Marketing.

Mailchimp Transactional — Messaging API (Email / SMS / Voice) tool for developers. Specializes in Email Delivery.

Maileroo — CI/CD for Applications tool for developers. Specializes in Email API.

MailerSend — Transactional email API with a template builder, bulk sending, and detailed activity logs.

Mailgun — Developer-first transactional email API with SMTP relay, webhooks, and email validation service.

Mailjet — CI/CD for Applications tool for developers. Specializes in Email Delivery.

Mailopost — CI/CD for Applications tool for developers. Specializes in Email Delivery.

MailPace — CI/CD for Applications tool for developers. Specializes in Email Delivery.

Mailtrap — Messaging API (Email / SMS / Voice) tool for developers. Specializes in Email Testing.

Open-source patent-free IoT cloud platform based on microservices for messaging, identity, and device connectivity.

Maizzle — CI/CD for Applications tool for developers. Specializes in Email Framework.

Make — Data Integration / ETL / Reverse ETL tool for developers. Specializes in automation.

GMOs Japanese e-commerce SaaS — storefront templates, POS, payments and developer APIs for 45k+ merchants.

MakinaRocks builds industrial-grade MLOps (Runway) and anomaly-detection AI for manufacturing and robotics.

Malwarebytes — Security Scanning / Mobile App Sec tool for developers. Specializes in Endpoint Security.

ManageEngine APM — CI/CD for Applications tool for developers. Specializes in APM.

ManageEngine EventLog — CI/CD for Applications tool for developers. Specializes in Log Management.

ManageEngine EventLog Analyzer — Security Scanning / Mobile App Sec tool for developers. Specializes in SIEM.

Mandiant — Security Scanning / Mobile App Sec tool for developers. Specializes in Threat Intelligence.

Mandrill — CI/CD for Applications tool for developers. Specializes in Email Delivery.

Mangum — CI/CD for Applications tool for developers. Specializes in Serverless Adapter.

Manicule — AI-powered document extraction and processing platform for structured data from unstructured enterprise docs.

Manifest — CI/CD for Applications tool for developers. Specializes in Instant Backend.

Manifest Cyber — Security Scanning / Mobile App Sec tool for developers. Specializes in SBOM/Supply Chain Security.

Manticore Search — CI/CD for Applications tool for developers. Specializes in Search Engine.

Mantine — CI/CD for Applications tool for developers. Specializes in UI Component Library.

Manufact — Developer Portals / API Management tool for developers. Specializes in MCP Infrastructure.

General AI agent by Butterfly Effect (Wuhan) capable of autonomous web browsing, coding and research tasks. Acquired by Meta 2025.

Mapbox — Location platform with vector map tiles, navigation SDK, geocoding, and ML-powered maps.

Mapbox JS — CI/CD for Applications tool for developers. Specializes in Maps & Geolocation SDK.

Increment Ps Japanese maps & geocoding API — POIs, reverse geocode and route search tuned for JP addresses.

Mapillary (Meta) — Crowdsourced street-level imagery platform with computer vision annotations and map data.