All Developer Tools

LazyGit — CI/CD for Applications tool for developers. Specializes in Git Terminal UI.

Modern 2D level editor by the Dead Cells developer. Open-source, cross-platform, with auto-layers, entity placement, world view, and JSON export compatible with all major 2D engines.

Leaflet — CI/CD for Applications tool for developers. Specializes in Mapping Library.

MENA open banking API platform for account data aggregation and payment initiation across UAE and Saudi Arabia.

Leancloud — CI/CD for Applications tool for developers. Specializes in Backend as a Service.

Leanplum — Mobile marketing and engagement platform with push notifications, A/B testing, in-app messages, and lifecycle campaigns.

Multi-language PaaS supporting both serverless pay-as-you-go and persistent server deployment for web frameworks.

Leapwork — Visual no-code test automation platform for web, desktop, and SAP using flowchart-based test design.

LedgerUp — Invoicing / Taxes / Sales Tax tool for developers. Specializes in billing platform.

LeetCode — Coding challenge platform with 3000+ algorithm problems, SQL exercises, and mock interviews for developer hiring.

Lefthook — CI/CD for Applications tool for developers. Specializes in Git Hooks.

Legit Security — Security Scanning / Mobile App Sec tool for developers. Specializes in appsec platform.

Leiapix — AI API / SDK for Developers tool for developers. Specializes in AI 3D Conversion.

Dynamic configuration platform that turns functions in your codebase into remotely tunable values. Positioned as going beyond feature flags with FAANG-style config as code.

Lemon Squeezy — Merchant of Record for SaaS and digital products handling global tax compliance, subscriptions, and licensing.

Lemon.io — Freelance marketplace for startups to hire pre-vetted remote developers with quick matching.

Consumer lending tech platform; internal ML/decision API exposed to partners.

AI-assisted localization with translation APIs and CAT pipeline for devs.

Lens — CI/CD for Applications tool for developers. Specializes in Kubernetes Management.

Lenses.io — CI/CD for Applications tool for developers. Specializes in Kafka Management.

Leonardo AI — AI API / SDK for Developers tool for developers. Specializes in AI Image Generation.

Lepton AI — AI API / SDK for Developers tool for developers. Specializes in LLM Cloud Platform.

Leptos — CI/CD for Applications tool for developers. Specializes in Rust Web Framework.

Lerna — CI/CD for Applications tool for developers. Specializes in Monorepo Manager.

Lets Encrypt — free, automated, and open certificate authority by the Internet Security Research Group.

Letta — AI API / SDK for Developers tool for developers. Specializes in AI Agent Framework.

Level Access — Accessibility / A11y Testing tool for developers

Levo.ai — Developer Portals / API Management tool for developers. Specializes in API Security.

Lexica Art — AI API / SDK for Developers tool for developers. Specializes in AI Image Search.

ThreatMetrix (LexisNexis Risk Solutions) offers a global Digital Identity Network with device fingerprinting, behavior analytics and threat intelligence. Its API delivers real-time risk decisions for login, payments and new account opening

LG AI Researchs multimodal foundation model family (EXAONE 3.5, Deep, Path) offered through LG CNS and Hugging Face for enterprise AI.

LG CNS DevOn is an enterprise DevOps/AI platform covering CI/CD, MLOps, and code generation with EXAONE.

Building blocks library for modern GNOME applications — widgets implementing the GNOME HIG.

libFuzzer — Security Scanning / Mobile App Sec tool for developers. Specializes in Fuzz Testing.

Liblab — CI/CD for Applications tool for developers. Specializes in SDK Generation.

LibreChat — AI API / SDK for Developers tool for developers. Specializes in LLM Chat UI.

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

Librosa — CI/CD for Applications tool for developers. Specializes in Audio Analysis.

libsql — CI/CD for Applications tool for developers. Specializes in Database Client.

Unified marketing measurement platform bundling MMM, attribution and geo experimentation in one enterprise platform.

Liftbridge — CI/CD for Applications tool for developers. Specializes in Message Streams.

Marketing measurement platform unifying agile MMM and holdout-based incrementality experiments.

Liftoff — growth acceleration platform for mobile user acquisition, engagement and monetization; operates Liftoff Creative (Vungle) and GameRefinery and pursues IPO ambitions.

Lightdash — Data Integration / ETL / Reverse ETL tool for developers. Specializes in Data Visualization.

LightEdge — Managed edge computing and data center services with compliance-focused private cloud options.

LightGBM — CI/CD for Applications tool for developers. Specializes in Gradient Boosting.

Lighthouse — CI/CD for Applications tool for developers. Specializes in Web Performance & Accessibility.

Lighthouse Ethereum — CI/CD for Applications tool for developers. Specializes in Ethereum Client.

Lightly AI — AI API / SDK for Developers tool for developers. Specializes in Self supervised Learning.

Lightpanda — CI/CD for Applications tool for developers. Specializes in Headless Browser.

Lightrun — Performance Monitoring / APM tool for developers. Specializes in Live Debugging.

Global payments API for fiat, stablecoins, and Bitcoin Lightning with instant cross-border payouts.

Lightstep — CI/CD for Applications tool for developers. Specializes in Distributed Tracing.

Lilbots — No-code / Low-code App Builders tool for developers. Specializes in automation.

Lilt — CI/CD for Applications tool for developers. Specializes in AI Translation.

LimaCharlie — Security infrastructure-as-code platform providing EDR, detection rules, and telemetry pipeline as API primitives.

LIME — AI API / SDK for Developers tool for developers. Specializes in Explainability.

Limelight Networks — CI/CD for Applications tool for developers. Specializes in CDN.

LINE/Navers AI platform — Japanese speech, OCR and HyperCLOVA LLM APIs integrated with the LINE ecosystem.

LINEs lightweight one-way notification API — simple HTTP POST to ping users from servers, CI, IoT devices.

LINE Pay — Japan and Taiwan digital wallet by LINE Corp supporting QR, NFC, and online payments integrated into LINE messaging app.

WorksMobiles enterprise chat used by 30k+ Japanese companies — bots, calendar and OAuth 2.0 admin APIs.

LINE+ (Seongnam-based LY Corp. arm) developer platform — Messaging API, LIFF, LINE Login and LINE Pay.

Linear — CI/CD for Applications tool for developers. Specializes in issue tracking.

LinearB — Software engineering intelligence platform measuring delivery metrics, automating workflows, and tracking cycle time.

Linen — Slack and Discord community archiving tool that makes threads public, searchable, and SEO-indexed.

Lingo App — No-code / Low-code App Builders tool for developers. Specializes in Design System.

Lingo.dev — Localization / Translation API tool for developers. Specializes in AI Localization.

Lingui — CI/CD for Applications tool for developers. Specializes in Internationalization.

LinkeDOM — CI/CD for Applications tool for developers. Specializes in DOM Simulation.

Linkerd — CI/CD for Applications tool for developers. Specializes in Service Mesh.

Melbourne-founded bio-link platform helping creators and brands connect audiences to multiple URLs with one link.

Linode (Akamai) — CI/CD for Applications tool for developers. Specializes in Cloud Provider.

Linode Object Storage — CI/CD for Applications tool for developers. Specializes in Object Storage.

lint-staged — CI/CD for Applications tool for developers. Specializes in Git Hooks.

Lionbridge — Global language service provider with translation API, AI training data, and localization services.

Liqo — CI/CD for Applications tool for developers. Specializes in Multi Cluster Kubernetes Federation.

Liquibase — DBaaS / Serverless Databases tool for developers. Specializes in database change management.

Listmonk — Open-source self-hosted newsletter and mailing list manager with REST API and analytics.

Lite ASO — budget-friendly ASO platform with free tier for keyword tracking and MCP server connecting directly to Claude and other AI assistants for metadata suggestions and rank analysis.

LiteFS — CI/CD for Applications tool for developers. Specializes in Database.

LiteLLM — AI API / SDK for Developers tool for developers. Specializes in llm proxy.

Litestar — CI/CD for Applications tool for developers. Specializes in ASGI Framework.

Litestream — CI/CD for Applications tool for developers. Specializes in Database.

Lithic — US card issuing API for virtual and physical Visa/Mastercard cards with spend controls, BINs, and real-time webhooks.

Litmus — CDN / Edge / Acceleration tool for developers. Specializes in Chaos Engineering.

LitmusChaos — CI/CD for Applications tool for developers. Specializes in Chaos Engineering.

LiveAgent — Multi-channel helpdesk with live chat, ticketing, call center, and social media integration for customer support.

Liveblocks — CI/CD for Applications tool for developers. Specializes in Collaborative APIs.

LiveChat — Customer support live chat platform with chat widget SDK, ticketing, and bot integrations.

Livegrep — Fast, real-time regex code search engine for large monorepos with browser-based navigation.

LiveKit — Open-source WebRTC server for real-time audio, video, and data with SFU architecture and SDKs.

Livepeer — decentralized video transcoding network built on Ethereum

All-in-one product analytics platform with qualitative session replays, quantitative analytics dashboards, funnels, heatmaps and dev tools for error tracking.

LiveU — mobile bonded-cellular live video contribution and cloud production

Llama (Meta) — AI API / SDK for Developers tool for developers. Specializes in LLM.

LLaMA Factory — AI API / SDK for Developers tool for developers. Specializes in LLM Fine tuning.

llama.cpp — AI API / SDK for Developers tool for developers. Specializes in Local LLM Inference.

Llamafile — AI API / SDK for Developers tool for developers. Specializes in Local LLM Inference.

LlamaIndex — AI API / SDK for Developers tool for developers. Specializes in llm framework.

LlamaIndex.TS — CI/CD for Applications tool for developers. Specializes in LLM Data Framework.

LLDAP — CI/CD for Applications tool for developers. Specializes in LDAP Server.

LLMWare — AI API / SDK for Developers tool for developers. Specializes in Enterprise RAG.

LM Studio — AI API / SDK for Developers tool for developers. Specializes in local llm.

LMNT — Ultra-low-latency speech synthesis API for real-time voice agents and interactive voice applications.

LMQL — AI API / SDK for Developers tool for developers. Specializes in LLM Query Language.

Loader.io (SendGrid) — Free cloud-based load testing service for testing web app endpoints with configurable concurrent users.

Loadero — Cloud-based automated performance and load testing platform for WebRTC, web, and API applications.

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

LoadNinja (SmartBear) — In-browser load testing platform that uses real browsers to simulate concurrent user load.

Enterprise performance testing suite from OpenText (ex Micro Focus) simulating virtual users across protocols for mission-critical applications.

Loadstone — AI search infrastructure platform for building semantic and hybrid search into applications.

Lob — Messaging API (Email / SMS / Voice) tool for developers. Specializes in Direct Mail API.

Lobe Chat — AI API / SDK for Developers tool for developers. Specializes in LLM Chat UI.

LocalAI — AI API / SDK for Developers tool for developers. Specializes in Local LLM.

Localazy — Localization / Translation API tool for developers. Specializes in Localization Platform.

Localize — JavaScript-based website localization platform with a visual editor and no-code translation workflow.

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.