All Developer Tools

Orca Security — CI/CD for Applications tool for developers. Specializes in Cloud Security.

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

Orchest — AI API / SDK for Developers tool for developers. Specializes in ML Pipeline.

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

Ordway — Subscription billing and revenue recognition platform for B2B SaaS integrating with Salesforce, NetSuite, and Quickbooks.

Free Mac-only prototyping tool by Meta using a visual patch-based programming model for complex interactive interfaces. Used internally at Facebook/Meta and released publicly.

orjson — CI/CD for Applications tool for developers. Specializes in Serialization.

Orkes — enterprise cloud for Netflixs open-source Conductor workflow orchestration. Distributed microservice workflows and AI agent orchestration.

Orq.ai — LLM deployment and experimentation platform for managing prompts, model routing, and A/B testing.

Ortto (formerly Autopilot) — customer journey platform with email, SMS, push, in-app messages, CDP, and analytics for SMB/mid-market.

Bank payment API for instant ACH, RTP, and FedNow payouts with deterministic rail routing.

Orval — Developer Portals / API Management tool for developers. Specializes in API Client Generator.

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

Ory Cloud — Security Scanning / Mobile App Sec tool for developers. Specializes in Identity & Access Management.

Ory Keto — CI/CD for Applications tool for developers. Specializes in Permissions Service.

Ory Kratos — Security Scanning / Mobile App Sec tool for developers. Specializes in Identity Management.

Osano — Security Scanning / Mobile App Sec tool for developers. Specializes in Consent Management/Privacy.

Open Source China developer community and operator of Gitee code hosting platform.

Oscilar offers an AI-native risk decisioning platform built by ex-Confluent engineers, unifying fraud prevention, credit underwriting and AML in one API. It supports real-time decisions with generative AI copilots to help risk teams tune ru

Oslo — CI/CD for Applications tool for developers. Specializes in Authentication Utilities.

Oso — Authorization library with Polar policy language for embedding RBAC, ABAC, and ReBAC rules directly in application code.

Osso — Enterprise SSO integration layer handling SAML and OIDC connections for SaaS applications without custom code.

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

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

Otter.ai — CI/CD for Applications tool for developers. Specializes in Meeting Transcription.

Otto — AI spreadsheet-native workflow agent from HyperWrite. Runs browser research, enrichment, and data extraction tasks across table rows in parallel.

Outerbase — DBaaS / Serverless Databases tool for developers. Specializes in Database Interface.

Managed platform for ML and AI development built on open-source Metaflow, originally created at Netflix for production data-science workflows.

Outline — CI/CD for Applications tool for developers. Specializes in Documentation.

Outlines — AI API / SDK for Developers tool for developers. Specializes in LLM Structured Output.

Outscan — Security Scanning / Mobile App Sec tool for developers. Specializes in Vulnerability Management.

Outseta — All-in-one SaaS subscription platform combining billing, CRM, email, and authentication in a single embeddable widget.

Outstatic — CI/CD for Applications tool for developers. Specializes in Git Based CMS.

OutSystems — No-code / Low-code App Builders tool for developers. Specializes in low code platform.

OvenMediaEngine — OSS streaming server with LL-HLS, LL-DASH, and WebRTC

Platform for building and monetizing in-game apps and mods. Provides a native overlay SDK, app store, and creator fund used by developers to extend popular PC games.

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

OVO — Indonesia digital wallet by Tokopedia group supporting QR payments, transfers, and merchant API integration.

OWASP Foundation — Security Scanning / Mobile App Sec tool for developers. Specializes in Open Source Security Standards.

OWASP ZAP — Security Scanning / Mobile App Sec tool for developers. Specializes in DAST.

Self-hosted file sync & collaboration: WebDAV, OCIS (Go rewrite), S3 backend.

OX Security — End-to-end pipeline security platform tracking artifact integrity and detecting supply chain attacks across the SDLC.

Oxc — Security Scanning / Mobile App Sec tool for developers. Specializes in JavaScript Compiler.

Oxen AI — AI API / SDK for Developers tool for developers. Specializes in ML Data Versioning.

Oxeye — Cloud-native SAST and IAST platform tracing vulnerabilities through microservice architectures with context awareness.

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

Oxlint — CI/CD for Applications tool for developers. Specializes in Code Quality.

OXXO Pay — Mexico cash payment method enabling customers to pay online orders at 20,000+ OXXO convenience stores nationwide.

Oxylabs — Data Integration / ETL / Reverse ETL tool for developers. Specializes in Web Scraping Infrastructure.

Ozow — South Africa EFT payment gateway enabling instant bank-to-merchant transfers via online banking without card or OTP friction.

pa11y — CI/CD for Applications tool for developers. Specializes in Accessibility Testing.

Paar Autonomy — AI-powered autonomous driving data platform for labeling and managing self-driving training datasets.

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

Pachyderm — AI API / SDK for Developers tool for developers. Specializes in Data Versioning.

Packer — CI/CD for Applications tool for developers. Specializes in Machine Image Builder.

Pact — Test Automation / Device Cloud tool for developers. Specializes in Contract Testing.

JVM implementation of Pact consumer-driven contract testing, produces and verifies contracts between services written in Java, Kotlin, Scala or Groovy.

Managed Pact Broker from SmartBear offering contract testing, bi-directional contracts with OpenAPI, and AI-assisted test creation for microservices.

REST API testing tool for Node.js that supports e2e, integration, contract and component tests with a chainable fluent syntax.

Paddle — Merchant of Record and subscription billing platform for B2B/B2C SaaS with global tax, checkout, and revenue recovery.

Paga — Nigeria mobile money and payment platform for P2P transfers, bill payments, and merchant collections via USSD and app.

Brazilian payment platform processing credit cards, Pix, and boleto with developer-friendly APIs and SDKs.

Brazilian cross-border payment gateway specialized in local methods including Pix and boleto for international merchants.

PagerDuty — Observability / Logging / Tracing tool for developers. Specializes in Incident Management.

Pagerly — Observability / Logging / Tracing tool for developers. Specializes in On-Call Management.

Pagero — Global business network for e-invoicing, e-ordering, and tax compliance as a Peppol access point

Simple on-call scheduling and incident alerting service with rotation, escalation policies and status pages.

AI-powered payment intelligence platform turning disparate payments data into actionable routing insights.

Pagseguro — Brazil payment platform by UOL supporting Boleto, PIX, cards, and POS hardware for SMB merchants.

Paidy — Japan buy-now-pay-later service allowing purchases with phone number and email, with monthly consolidated billing.

Paigo — Usage-based billing infrastructure for AI and API products with metering and subscription management.

Paligo — CI/CD for Applications tool for developers. Specializes in Documentation.

Palo Alto Cortex XDR — Security Scanning / Mobile App Sec tool for developers. Specializes in XDR.

Palo Alto Prisma Cloud — Security Scanning / Mobile App Sec tool for developers. Specializes in Cloud Security.

Continuous controls monitoring with API for security posture data.

PandaDoc — Document generation and e-signature API platform for proposals, contracts, and NDAs.

Pandas — CI/CD for Applications tool for developers. Specializes in Data Analysis Library.

Pandera — CI/CD for Applications tool for developers. Specializes in Data Validation.

Pandium — CI/CD for Applications tool for developers. Specializes in Integration Platform.

Panel — CI/CD for Applications tool for developers. Specializes in Dashboard.

Pangea — CI/CD for Applications tool for developers. Specializes in Security APIs.

Pangle — ByteDance's global app monetization platform offering in-app advertising for mobile publishers.

Panopto — enterprise video capture, editing, and management for orgs

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

Panorays — Security Scanning / Mobile App Sec tool for developers. Specializes in Third Party Security.

Panther Labs — CI/CD for Applications tool for developers. Specializes in SIEM.

Panto — AI-powered CI/CD optimization platform that reduces pipeline runtime by predicting and skipping unchanged jobs.

Panto AI — Test Automation / Device Cloud tool for developers. Specializes in mobile testing.

Pants Build — CI/CD for Applications tool for developers. Specializes in build system.

Papa Parse — CI/CD for Applications tool for developers. Specializes in CSV Parsing.

Naver Papago neural machine translation and language detection APIs via Naver Developers.

AI dubbing/translation API for video localization.

Papercups — OSS customer messaging and live chat platform with REST API and Slack integration for support workflows.

Papermark — CI/CD for Applications tool for developers. Specializes in Document Sharing.

Paperspace — AI API / SDK for Developers tool for developers. Specializes in GPU Cloud.

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

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

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

Paradigm — AI spreadsheet that runs agents across rows in parallel. Research, enrichment, and web scraping tasks at scale, no code required.

Embedded financing infrastructure API for platforms to offer capital to their merchants.

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

Paragon — CI/CD for Applications tool for developers. Specializes in Integration Platform.

Purpose-built web search and deep-research APIs for AI agents, outperforming GPT-5 on deep-web research benchmarks.

Turkish embedded finance API with virtual POS, card issuing, and wallet services for fintechs.

Marketing measurement platform combining incrementality testing, MMM and growth advisory in a structured framework.

Paramiko — CI/CD for Applications tool for developers. Specializes in SSH Library.

Parasoft — CI/CD for Applications tool for developers. Specializes in Software Testing.

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

Parcel — CI/CD for Applications tool for developers. Specializes in Build Tools & Bundlers.

Parea AI — AI API / SDK for Developers tool for developers. Specializes in LLM Evaluation.

Park UI — No-code / Low-code App Builders tool for developers. Specializes in UI Component Library.

Conversational AI platform for enterprise contact centers with APIs.

Parse Platform — Open-source BaaS with MongoDB-backed data storage, authentication, file storage, and cloud functions.

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

Particle — IoT device platform with cellular connectivity, fleet management OTA updates, and device cloud API.

Particle Health — Healthcare data network API providing access to longitudinal patient records from 270M US patient records.

PartyKit — Real-time / WebSocket Infrastructure tool for developers. Specializes in multiplayer infra.

Passage by 1Password — Passkey authentication and user management API enabling FIDO2/WebAuthn-based passwordless login.

Passbase — Identity verification SDK with selfie-based document authentication and biometric liveness checking for onboarding flows.

PassBolt — Open-source team password manager with GPG encryption, RBAC, and self-hosted deployment for organization sharing.