All Developer Tools

One-stop data streaming and ingestion platform originated at Tencent; Apache TLP.

Open-source IoT-native time-series DB originated from Tsinghua University; first Apache TLP in IoT domain.

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

Apache Kafka — Data Integration / ETL / Reverse ETL tool for developers. Specializes in event streaming.

Apache Kafka (Conduktor) — CI/CD for Applications tool for developers. Specializes in Kafka Platform.

Open-source distributed OLAP engine originated at eBay China; one of the first Chinese Apache TLPs.

Computation middleware decoupling upper apps from engines (Spark, Flink, Hive); originated at WeBank.

Apache NiFi — Open-source data flow platform for routing and transforming data with provenance tracking and access controls.

Apache Pulsar — CI/CD for Applications tool for developers. Specializes in Message Queue.

Distributed messaging and streaming system donated to ASF by Alibaba; powers e-commerce and financial systems at scale.

Distributed transaction framework for microservices open-sourced by Alibaba & Ant Financial; Apache TLP.

High-performance distributed data integration and CDC engine with 100+ connectors; Apache TLP originated in China.

Distributed SQL middleware for sharding, scalability and security; originated at JD.com, now Apache TLP.

Apache SkyWalking — OSS application performance monitoring platform for distributed systems with auto-instrumentation and service topology.

Apache Spark — CI/CD for Applications tool for developers. Specializes in Big Data Processing.

Apache Spark MLlib — AI API / SDK for Developers tool for developers. Specializes in ML Library.

Apache Superset — CI/CD for Applications tool for developers. Specializes in BI Platform.

API-first hotel property management system (PMS) with open REST & webhooks.

ApertureDB — Multi-modal database combining vector search with image, video, and metadata storage for ML workflows.

Payment orchestration platform combining acquirers, gateways, shopping carts and 150+ APMs via a single API.

Aphrodite Engine — AI API / SDK for Developers tool for developers. Specializes in LLM Serving.

API Blueprint — open-source, Markdown-based API description language for designing, documenting, and testing REST APIs.

API Dash — open-source, cross-platform API client built with Flutter, designed for exploring, testing, and generating API reference code.

api.video — Video API platform for uploading, encoding, and streaming with player, webhooks, and analytics.

API7.ai — Commercial distribution of Apache APISIX with enterprise support, cloud deployment, and AI gateway features.

Apiary — Oracle's API design and documentation platform using API Blueprint for collaborative API prototyping.

Active observability and log management platform with data lake, synthetic monitoring, and LLM-powered analytics.

Apideck — Developer Portals / API Management tool for developers. Specializes in Unified API.

Apidog — Developer Portals / API Management tool for developers. Specializes in API Design & Testing.

APIFlash — Developer Portals / API Management tool for developers. Specializes in API Tools.

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

Integrated API design, documentation, debugging, mock and testing platform; Chinese Postman+Swagger+JMeter.

Apify — Data Integration / ETL / Reverse ETL tool for developers. Specializes in Web Scraping Platform.

Apigee — Google Cloud's enterprise API management platform with gateway, developer portal, and monetization.

Apiiro — Security Scanning / Mobile App Sec tool for developers. Specializes in ASPM/Code Risk.

Apiman — Developer Portals / API Management tool for developers. Specializes in API Gateway.

Apimatic — Developer Portals / API Management tool for developers. Specializes in API Documentation.

APIMatic (generation) — CI/CD for Applications tool for developers. Specializes in SDK Generation.

APImetrics — Developer Portals / API Management tool for developers. Specializes in API Monitoring.

AI-driven API development platform by Beijing Polar Fox with design, debugging, automated and perf testing.

APIs.guru — Community-maintained directory of 2000+ public OpenAPI specifications indexed for discovery and tooling.

APIsec — Security Scanning / Mobile App Sec tool for developers. Specializes in API Security.

Apitable — DBaaS / Serverless Databases tool for developers. Specializes in spreadsheet database.

APITemplate.io — Object Storage / Media API tool for developers. Specializes in document generation.

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

APItoolkit — API observability and documentation platform that auto-generates API reference docs from live traffic and detects breaking changes.

apko — Security Scanning / Mobile App Sec tool for developers. Specializes in Container Security.

Apollo GraphQL — Developer Portals / API Management tool for developers. Specializes in graphql.

Aporia — AI API / SDK for Developers tool for developers. Specializes in ML Monitoring.

App Center — Microsoft's mobile DevOps platform for building, testing, distributing, and monitoring iOS and Android apps.

App Radar — ASO and App Store management platform with keyword tracking, metadata editor, review management, and competitor analysis.

App-Ray — Mobile app security testing platform performing automated SAST and DAST on Android and iOS applications.

AppAgent — AI-first open-source tool for App Store Optimization and release management; OSS alternative to App Radar, Sensor Tower, AppTweak, AppFollow for developer-focused teams.

Appalize — AI-driven ASO SaaS platform offering app category ranking analysis, promotional text tools, and ASO strategy resources for iOS developers.

Mobile app privacy analysis platform auditing SDK data collection behaviors for privacy and security compliance.

Direct-to-consumer commerce infrastructure for mobile game publishers to run out-of-app stores and checkout with full analytics.

Appcircle — Mobile CI/CD platform for iOS and Android with automated build, test, and publish workflows.

AppCopilot — AI-powered app growth platform with keyword rank tracking, competitor analysis, automated ASO optimization, and app growth dashboard for indie iOS developers.

Appcues — No-code product adoption platform for building onboarding flows, tooltips, and in-app surveys.

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

AppDrift — App Growth Tooling (ASO) tool for developers. Specializes in ASO Toolkit.

AppDynamics — Observability / Logging / Tracing tool for developers. Specializes in APM.

Appen — AI API / SDK for Developers tool for developers. Specializes in Data Labeling.

Appetize — Browser-based iOS and Android device emulator for testing, demos, and customer support without physical hardware.

Appfigures — App store analytics aggregating reviews, downloads, and revenue data for iOS, Android, and Mac.

Appflow.ai — Mobile app growth intelligence platform with ad spend optimization, LTV prediction, and campaign performance analytics.

AppFlowy — CI/CD for Applications tool for developers. Specializes in Workspace.

AppFollow — App store management platform with review monitoring, sentiment analysis, ASO tracking, and user reply automation.

Appgate SDP — Security Scanning / Mobile App Sec tool for developers. Specializes in Zero Trust Network Access.

AppGrowing — global mobile advertising intelligence and ad creative analytics platform monitoring ad campaigns across major media networks with AI-powered creative insights for advertisers.

Apphud — In-app subscription and paywall management SDK for iOS and Android with A/B testing, churn analytics, and revenue dashboards.

Taipei AI-powered marketing and advertising SaaS — user acquisition, segmentation, personalization APIs.

Universal software package format for Linux — single-file executables that run on any distribution.

Appium — OSS cross-platform mobile test automation framework for iOS and Android using WebDriver protocol.

Appknox — Mobile application security testing platform with automated SAST, DAST, and API security checks for Android and iOS.

Hamburg app economy company builder behind Adjoe, Sunday, Justdice and Justtrack for app monetization and growth.

Applitools — Test Automation / Device Cloud tool for developers. Specializes in Visual AI Testing.

AppLovin MAX — Mobile ad mediation platform maximizing app ad revenue by auctioning placements across ad networks.

Applozic — Messaging API (Email / SMS / Voice) tool for developers. Specializes in Chat SDK.

Applyra — ASO platform built for indie developers with side-by-side iOS and Android keyword tracking, AI-powered suggestions, competitor analysis and permanent free tier.

AppMagic — mobile app market intelligence platform built for mobile game publishers and investors, offering quick market research, Success Meter for hit segments, and Live-Ops analysis for retention and monetization.

Yandexs free real-time mobile app analytics and install attribution platform with crash reporting and push notifications.

Appmixer — CI/CD for Applications tool for developers. Specializes in Workflow Automation.

Synthetic and network performance monitoring platform for SaaS, WAN and cloud app experience.

Appodeal — Mobile ad mediation SDK automatically selecting top-performing ad networks to maximize eCPM.

Appointy — Online scheduling and appointment management software with REST API for booking workflow integration.

AppOmni — Security Scanning / Mobile App Sec tool for developers. Specializes in SaaS Security Posture Management.

Appranking — app market analytics and ASA analytics platform offering ASO intelligence, Apple Search Ads intelligence and market intelligence across Google Play and iOS App Store.

Apprise — Push / In-app Messaging SDK tool for developers. Specializes in notification library.

AppSamurai — AI mobile user acquisition and app growth platform with campaign management, fraud prevention and app store performance tracking for advertisers and publishers.

AppSec Santa — Security Scanning / Mobile App Sec tool for developers. Specializes in AppSec Tools Directory.

Appsee — CI/CD for Applications tool for developers. Specializes in Mobile Analytics.

AppSensor — Security Scanning / Mobile App Sec tool for developers. Specializes in RASP/IAST.

AppsFlyer — Mobile attribution and marketing analytics platform with deterministic matching, deep links, and Privacy Sandbox support.

AppSignal — CI/CD for Applications tool for developers. Specializes in Error Tracking.

Appsmith — No-code / Low-code App Builders tool for developers. Specializes in internal tools.

Apptega — Security Scanning / Mobile App Sec tool for developers. Specializes in Cybersecurity Management.

Apptentive — mobile customer engagement platform focused on in-app surveys, ratings prompts, and message center (now Alchemer Mobile).

Apptica — in-app advertising and mobile app analytics platform providing comprehensive ad intelligence and store analytics data to app marketers and game studios like Voodoo, Madbox and Kabam.

Apptimize — Release / App Store Operations tool for developers. Specializes in A/B Testing.

Apptio — CI/CD for Applications tool for developers. Specializes in FinOps & Cost Management.

Apptio Cloudability — CI/CD for Applications tool for developers. Specializes in Cloud Cost.

Mobile app competitive intelligence platform with SDK intelligence, tech-stack insights, downloads and monetization estimates.

Mobile measurement partner by Trackier offering install attribution, in-app event tracking and fraud prevention.

AppTweak — ASO intelligence platform with keyword research, competitive benchmarking, App Store Connect data, and market share estimates.

Appwrite — Open-source BaaS with REST and realtime APIs for auth, database, storage, and serverless functions.

Appwrite Sites — CI/CD for Applications tool for developers. Specializes in Static Hosting.

Apryse — Document SDK for PDF processing, annotation, digital signatures, and format conversion.

Apryse (PDFTron) — SDK for PDF viewing, editing, annotation, and redaction across web, mobile, and server platforms.

APScheduler — CI/CD for Applications tool for developers. Specializes in Task Scheduler.

Aptabase — CI/CD for Applications tool for developers. Specializes in Mobile Analytics.

Aptible — HIPAA-compliant deployment platform handling encryption, access logging, and BAA requirements for healthcare apps.

In-app experience SDK for mobile apps — nudges, walkthroughs, tooltips, surveys powered by user behavior data.

Aqua Data Studio — CI/CD for Applications tool for developers. Specializes in Database GUI.

Aqua Security — Security Scanning / Mobile App Sec tool for developers. Specializes in Cloud Native Security.

Aquarium Learning — AI API / SDK for Developers tool for developers. Specializes in ML Data Management.

ArangoDB — DBaaS / Serverless Databases tool for developers. Specializes in Multi Model Database.

Aravo — Security Scanning / Mobile App Sec tool for developers. Specializes in Third Party Risk Management.

Arc.dev — Remote developer hiring marketplace with pre-vetted engineers and team building services.

Arcade.dev — AI API / SDK for Developers tool for developers. Specializes in ai automation.