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Tool directory
Noise-filtered selectionStart broad, filter fast, and open only the profiles that fit.
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Selected viewFor engineers and technical teams building faster with guardrails intact.
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Free planFeature work
An AI-first code editor built to speed up implementation, editing, and iterative development.
Best for in-editor AI workflows
Amazon Q Developer
Free planCode generation
An AWS coding assistant for code generation, chat, IDE workflows, and cloud-aware development tasks.
Cloud-oriented positioning is a real differentiator
Arize Phoenix
Free planAI observability
An AI observability and evaluation platform that spans open-source Phoenix and paid Arize AX plans.
More evaluation and tracing oriented than agent builders
AssemblyAI
Free planTranscription APIs
A speech AI platform for transcription, summarization, and audio intelligence APIs.
API-first rather than end-user app
Baseten
Free planModel serving
A model serving and inference platform with pay-as-you-go entry pricing and higher custom plans for production teams.
Closer to production inference infrastructure than to agent builders
BLACKBOX AI
Free planCode generation
A coding assistant focused on code generation, search, and developer workflows across modern stacks.
Focused more tightly on developer tasks than general AI assistants
Bland AI
Free planVoice agents
A voice-agent platform for building phone and messaging agents with programmable workflows and usage-based telephony costs.
More infrastructure-oriented than meeting or note-taking tools
Bolt.new
Free planRapid prototyping
An AI app builder for generating web apps and prototypes directly from prompts in the browser.
More app-builder oriented than classic code autocomplete
Botpress
Free planAI agents
An AI agent platform for building chat and workflow agents with managed hosting and usage-based scaling.
More platform-oriented than simple support chatbot tools
Braintrust
Free planEvaluation
An evaluation, tracing, and observability platform for AI products with free, pro, and enterprise options.
More evaluation-native than broad workflow builders
Claude Code
PaidCoding agents
Anthropic’s coding agent workflow for terminal-first software engineering with usage-based costs.
More agentic and terminal-native than editor-only copilots
CodeRabbit
Free planCode review
An AI code review assistant for pull requests, review summaries, and development feedback inside code review workflows.
Built around review workflows instead of only code completion
Cohere
Free trialLLM applications
An enterprise AI platform for language models, retrieval, and API-based text generation with usage-based pricing.
More developer-facing than end-user chat assistants
Composio
Free planTool calling
An AI tool-use and integration platform with usage-based pricing for teams wiring agents into real software actions.
More tool-integration focused than conversation-design platforms
CrewAI
Free planMulti-agent systems
An AI agent platform built around multi-agent workflows, orchestration, and enterprise deployment paths.
More agent-system oriented than standard copilots
Deepgram
Free trialSpeech APIs
A speech AI API platform for transcription, voice agents, and real-time audio processing.
Infrastructure and API posture are the core strengths
DeepSeek
PaidModel inference
A developer-focused model provider with low-cost API pricing for chat and reasoning workloads.
Infrastructure-style pricing rather than seat-based SaaS tiers
Devin
PaidAutonomous coding
An AI software engineering product focused on autonomous coding work with a team subscription and usage-based credits.
More autonomous and workflow-oriented than inline coding copilots
Dify
Free planInternal AI tools
An open-source platform for building AI apps, chat interfaces, and agent workflows with optional cloud hosting.
More productized than bare orchestration libraries
fal
Free planMedia APIs
A developer platform for running media-generation models with a free tier and model-level pay-per-use pricing.
More infrastructure-like than consumer image apps
Fireworks AI
PaidModel inference
A model inference and serving platform with pay-as-you-go pricing, free credits for new users, and enterprise options for larger teams.
More inference-platform oriented than workflow or agent builders
Flowise
Free planAgent workflows
A visual builder for AI agents, LLM workflows, and orchestration with open-source and hosted deployment options.
More visual than code-first orchestration frameworks
GitHub Copilot
Free planCode generation
A coding assistant built into GitHub and common editors for autocomplete, chat, and code generation workflows.
Deep editor integration
GitLab Duo
PaidCoding assistance
GitLab’s AI layer for code suggestions, chat, review help, and software delivery workflows inside the GitLab platform.
Platform integration is the key strength
Groq
Free planModel inference
A fast inference platform for running popular open models with a free tier and pay-as-you-go developer pricing.
More infrastructure-focused than consumer chat tools
Helicone
Free planLLM monitoring
An open-source LLM observability platform with a free hobby tier and paid plans for growing AI products.
More operations-focused than agent-building platforms
Hugging Face
Free planModel discovery
A model and developer platform for datasets, spaces, inference, and team collaboration across the open AI ecosystem.
Broader platform coverage than a single-purpose AI app
Hume AI
Free planVoice agents
A voice AI platform focused on expressive, emotionally aware speech and multimodal interaction.
More voice-specialized than general AI platforms
JetBrains AI Assistant
Free planIDE assistance
An AI coding assistant built into JetBrains IDEs for chat, completions, and development help.
Editor integration is the key draw
Langfuse
Free planLLM observability
An open-source LLM observability and prompt management platform with free, pro, team, and enterprise tiers.
More observability-and-prompt-stack oriented than general agent builders
LangSmith
Free planTracing
An observability, evaluation, and deployment layer for teams building and shipping LLM agents and applications.
More operational than consumer-facing AI tools
LlamaParse
Free planDocument parsing
A document parsing API from LlamaIndex for turning complex files into LLM-ready structured output.
More document-ingestion focused than general vector or model platforms
Lovable
Free planInternal tools
An AI app builder for turning prompts into full-stack products and shipping prototypes quickly.
Closer to an app-building workflow than a generic coding chatbot
Modal
Free planAI backends
A serverless compute platform for AI and Python workloads with included credits and usage-based billing above that.
Runtime platform rather than end-user application
Nebius Token Factory
PaidModel inference
A model access and inference platform from Nebius with free starter credits and model-specific token pricing.
More model-access oriented than workflow builders
OpenPipe
PaidFine-tuning
A fine-tuning and hosting platform for running and serving custom AI models with explicit training and inference pricing.
More custom-model focused than generic inference marketplaces
OpenRouter
PaidModel routing
A model-routing platform for accessing and comparing many LLMs through one API and interface.
Useful for provider comparison and failover strategies
Pinecone
Free planVector search
A vector database platform for AI applications with a free starter option and usage-based production plans.
More database-and-retrieval oriented than model serving platforms
Portkey
Free planAI gateway
An AI gateway and control plane for managing, observing, and routing production model traffic.
More control-plane oriented than model access platforms
Promptfoo
Free planAI evaluations
An AI evaluation and security testing platform with a free community edition and custom enterprise plans.
More security-and-testing oriented than typical prompt tooling
PromptLayer
Free planPrompt management
A prompt management, tracing, and observability platform for teams shipping AI apps.
More prompt-and-trace focused than broad workflow builders
Qodo
Free planCode review
An AI code quality platform focused on PR review, local review, and agentic quality workflows.
Review-centric positioning
Replicate
PaidModel APIs
A cloud API for running open-source and commercial AI models across text, image, audio, and video workflows.
More API-first than end-user AI products
Replit
Free planPrototyping
A browser-based coding environment with AI-assisted development, deployment, and collaborative building workflows.
Low-friction browser IDE
Retell AI
Free trialVoice agents
A platform for building phone and voice agents with API-based deployment, telephony workflows, and usage-based pricing.
Developer-facing voice platform rather than meeting assistant
Runpod
PaidGPU compute
An AI infrastructure provider for GPUs, serverless inference, pods, and cluster workloads with usage-based cloud pricing.
Infrastructure purchase rather than end-user app subscription
SambaNova Cloud
PaidModel inference
A hosted model platform from SambaNova with starter credits and model-specific usage pricing.
More model-platform oriented than workflow products
Sourcegraph
Free planLarge-codebase search
A code intelligence and AI platform for search, review, and coding help across larger codebases.
Search and codebase intelligence are core strengths
Speechmatics
Free planSpeech transcription
A speech AI platform for transcription, real-time translation, and voice applications through developer-friendly APIs.
More infrastructure-focused than meeting assistants
Supermaven
Free planCode completion
A coding copilot focused on fast completions, large context, and lightweight paid upgrades for developers.
More focused than broader dev platforms with many adjacent features
Tabnine
Free trialSecure coding assistance
A private-first AI coding platform centered on secure code assistance, org context, and enterprise deployment control.
Security and deployment posture are a major differentiator
Tavily
Free planRAG systems
A search API built for AI agents and RAG workflows that need fresh web results and extracted content.
More purpose-built for agents than generic search APIs
Together AI
PaidModel inference
An AI cloud for running and serving open-weight models with usage-based inference pricing.
Infrastructure-first rather than end-user oriented
Unstructured
Free planDocument ingestion
A data preparation platform for turning messy documents and files into LLM-ready structured data.
More ingestion-and-transformation focused than vector databases or model hosts
v0
Free planUI generation
A prompt-to-UI and app generation tool for creating front-end code and product prototypes quickly.
UI-first generation is the key angle
Vectara
Free trialEnterprise RAG
An enterprise-focused RAG and agent platform with trial access and large annual contracts for SaaS, VPC, and on-prem deployments.
More enterprise-and-governance oriented than many self-serve retrieval tools
Vectorize
Free planRAG infrastructure
An AI agent memory and RAG infrastructure platform with free and paid plans based on pages processed and pipelines.
More infrastructure-like than general AI workspaces
Warp
Free planTerminal productivity
An AI terminal and developer workspace for command help, workflows, and faster engineering execution.
Terminal-native angle stands out
Weaviate
Free trialVector search
A vector database and search platform with a 14-day free trial and paid cloud plans for production AI workloads.
More retrieval-database focused than model serving platforms
Weights & Biases
Free planExperiment tracking
A machine learning and AI developer platform covering experiment tracking, evaluations, tracing, and hosted inference.
Broader development-platform scope than single-purpose observability tools
Windsurf
Free planCode generation
An AI coding environment focused on agent-style development, editor assistance, and faster implementation loops.
AI-forward editor experience
Writer AI Studio
PaidModel inference
Writer’s developer platform for building with Palmyra models and related AI Studio services.
More platform-oriented than the core Writer app positioning
