✓
Tool
Category
Pricing
Free?
Updated
Thoughtly
AI Agents
Freemium
✓
Mar 2026
→
AI voice agent platform for building phone agents for sales and support
Best for: voice-agent
Nooks AI
AI Agents
From $1/mo
—
Mar 2026
→
AI sales platform with autonomous dialer and real-time coaching for SDR teams
Best for: sales-acceleration
Bland AI
AI Agents
From $0.09/mo
—
Mar 2026
→
AI phone call agent platform for automating inbound and outbound calls at scale
Best for: voice-agent
Revenue.io
AI Sales
Enterprise
—
Mar 2026
→
AI revenue execution with real-time call guidance and conversation intelligence.
Best for: revenue-execution
Chorus.ai
AI Sales
Enterprise
—
Mar 2026
→
AI conversation intelligence for sales call analysis and coaching insights.
Best for: conversation-intelligence
Sybill
AI Sales
Paid
—
Mar 2026
→
AI sales assistant analyzing behavior and generating call summaries
Best for: call-intelligence
Gong
AI Sales
From $100/mo
—
Mar 2026
→
AI revenue intelligence that analyzes sales calls and surfaces winning patterns.
Best for: sales
Reply.io
AI Sales
From $60/mo
—
Mar 2026
→
AI multichannel sales engagement with automated email, LinkedIn, and call sequences.
Best for: multichannel-outreach
Helicone
AI Agents
Freemium
✓
Mar 2026
→
Open-source LLM proxy for logging, monitoring, and analyzing all AI API calls
Best for: LLM-proxy
PromptLayer
AI Agents
Freemium
✓
Mar 2026
→
Prompt management platform with logging and analytics for LLM API calls
Best for: prompt-management
Outreach ✓
AI Sales
Enterprise
—
Mar 2026
→
AI sales execution platform with automated sequences and revenue intelligence.
Best for: sales
Google Gemini ✓
AI Productivity
Freemium
✓
Mar 2026
→
Google's AI assistant with Workspace integration and multimodal capabilities.
Best for: productivity
ResearchRabbit ✓
AI Research
Free
✓
Mar 2026
→
Free personalized research paper discovery with visual networks and new paper alerts.
Best for: research
Mailshake
AI Sales
From $25/mo
—
Mar 2026
→
Sales engagement platform with AI email writing, dialer, and social selling.
Best for: sales-engagement
Crystal Knows
AI Sales
Freemium
✓
Mar 2026
→
AI personality insights for sales with DISC profiling and communication coaching.
Best for: personality-insights
Scratchpad
AI Sales
Freemium
✓
Mar 2026
→
AI workspace for sales reps simplifying Salesforce updates and pipeline management.
Best for: salesforce-productivity
Apify
AI Automation
Freemium
✓
Mar 2026
→
Full-stack web scraping and browser automation platform with Actor marketplace.
Best for: web-scraping
Amazon Bedrock Agents
AI Agents
Paid
—
Mar 2026
→
AWS-native AI agent builder using foundation models with enterprise security
Best for: AWS
Langfuse
AI Agents
Freemium
✓
Mar 2026
→
Open-source LLM observability platform for tracing, debugging, and monitoring AI agents
Best for: observability
Weights & Biases Weave
AI Agents
Freemium
✓
Mar 2026
→
W&B toolkit for tracing, evaluating, and improving AI agent applications
Best for: W&B
Smolagents
AI Agents
Free
✓
Mar 2026
→
Lightweight Hugging Face agent framework where LLMs write code to use tools
Best for: Hugging Face
OpenAI Assistants API
AI Agents
Paid
—
Mar 2026
→
OpenAI managed API for building stateful AI agents with tools and persistent threads
Best for: OpenAI
Fixie AI
AI Agents
Freemium
✓
Mar 2026
→
Platform for building conversational AI agents with memory, tools, and deployable hosting
Best for: conversational
PolyAI
AI Agents
From $1/mo
—
Mar 2026
→
Enterprise voice AI agents for contact centers with human-like conversation quality
Best for: voice-AI
Observe.AI
AI Agents
From $1/mo
—
Mar 2026
→
AI contact center platform with real-time agent coaching and conversation intelligence
Best for: contact-center