22 alternatives to Apollo.io (18 free)
22 alternatives to Apollo.io, picked out of 11 saved Instagram reels and 10 liked tweets, from creators like @jordanlee__, @suprava.ss, @itsmikepowers. 18 of them are free, freemium or open source.
Gojiberry AI detects high-intent leads by tracking over 15 buying and social signals, filters them against your ideal customer profile, and runs automated multichannel outreach via email and LinkedIn. It integrates natively with CRMs and AI assistants via Model Context Protocol (MCP) to manage the entire sales prospecting pipeline.
Instantly is a sales engagement platform designed for scaling outbound cold email campaigns. It provides automated email warmup, deliverability monitoring, an integrated B2B lead database, and AI agents for writing and replying to prospects. It is widely used by agencies and sales teams to run high-volume outreach without burning email domains.
Seamless.AI is a sales intelligence and lead generation platform that provides verified contact data, including direct dials and email addresses. It searches and verifies contact information in real time rather than relying solely on static databases, helping sales and marketing teams build targeted prospect lists. The platform also includes automated multi-channel outreach, buyer intent tracking, and CRM enrichment.
AI Lead Generation Agent is an open-source tutorial and Streamlit application template from Unwind AI. It demonstrates how to combine Firecrawl, Phidata, OpenAI, and Composio into an autonomous workflow that searches discussions, extracts user profiles, and logs leads into Google Sheets.
A curated tech stack recommended by Dan Rosenthal for running outbound campaigns without custom scrapers. It assigns one dedicated, proven tool to each stage of the outbound workflow: contact sourcing, enrichment, cold email, and LinkedIn outreach.
This workflow pairs Claude Code's terminal agent with the Exa search API to automate prospecting from scratch. It reads an ideal customer profile from a local file, runs targeted web searches, scores company fit, finds decision-makers, and outputs clean CSVs ready for cold outreach.
Exa Agent Skills are standardized markdown skills that equip coding agents like Claude Code and Codex with Exa search and content retrieval capabilities. When combined into workflows like lead generation, agents can perform deep research, spin up parallel subagents, and generate scored prospective lead lists automatically. The skills follow the open Agent Skills standard and can be installed via npx.
People Enrichment Pack is an extension within Firecrawl Alexandria that lets AI agents retrieve contact, recruiting, and company data through a single interface. It aggregates data providers like Apollo, FullEnrich, and Data Legion directly into Claude, ChatGPT, or the Firecrawl API.
A search dorking workflow to uncover public contact information indexed from social media profiles like Instagram and LinkedIn. By combining site filters, target niches, and email provider domains, you can pull relevant prospects into Google search results. Results can then be extracted to a spreadsheet using browser scraping extensions.
Goose Skills provides a catalog of over 200 ready-to-use marketing and growth workflows for AI coding agents like Claude Code, Cursor, and Codex. It equips agents to perform competitor research, scrape data, craft ad campaigns, audit SEO, and source leads directly from natural language prompts. The client tools and skills are open source, though some workflows query managed backend data APIs.
Gooseworks Skills Library provides over 200 plug-and-play skills and data APIs designed for AI coding agents like Claude Code, Cursor, and Codex. It equips agents to handle go-to-market workflows including lead generation, ad creation, competitor intelligence, social listening, and SEO auditing through a single meta-skill installation.
HRZN Leads is a B2B prospecting tool that monitors LinkedIn job postings to find hiring companies. It extracts relevant personnel working at those businesses and enriches their profiles with verified work emails. It is useful for targeting outbound sales based on hiring intent signals.
lemlist is a sales engagement platform designed to streamline lead generation and cold outreach across email, LinkedIn, calls, WhatsApp, and SMS. It features a built-in B2B database, data enrichment, and email warmup tools to protect sender reputation. Teams use it to automate personalized follow-ups and manage multichannel conversations from a unified inbox.
A six-step lead generation workflow to turn engaged LinkedIn audiences into warm outreach prospects. It involves identifying viral competitor lead magnet posts, extracting commenter profiles via PhantomBuster and Instant Data Scraper, finding work emails with Persana AI, and pitching with a contextual email template.
This automation blueprint uses self-hosted or cloud n8n alongside Google Gemini to generate targeted search queries, scrape contact information, and verify emails into Google Sheets. It splits the workload across parent and child workflows to handle batching and deduplication without commercial scraping tools. It provides a free framework for continuous B2B prospect discovery.
NetworkAI is an outreach tool in the WonsultingAI suite designed to streamline professional networking. It crafts personalized LinkedIn connection requests within character limits and generates targeted cold emails using your resume details. It also includes an email finder to locate verified addresses for recruiters and hiring managers.
Origami is an outbound sales platform that scans live web sources to find target accounts, detect buying signals, and verify contact info. It recommends targeted outbound campaigns based on your domain and automates outreach across cold email and LinkedIn.
This curated stack provides low-cost alternatives to enterprise B2B sales tools, covering lead generation, intent signals, and outreach. It combines niche scrapers, free RSS feeds, and affordable sequencing software to lower monthly prospecting costs by over 90%.
This technique combines programmatic email permutation generation with an email verification API in Python. Given a first name, last name, and domain, the script cycles through standard corporate patterns and stops once an address tests reachable. It allows you to discover direct contact emails without relying on expensive B2B lead databases.
Signal is an open-source outbound sales and lead generation platform designed to automate prospect research. It uses AI agents to discover companies fitting an ICP, map internal org charts, and enrich contacts with web and LinkedIn data. It provides a self-hostable alternative to commercial lead database subscriptions.
Snov.io is a lead generation and sales outreach platform designed to uncover and verify direct business email addresses. It includes a browser extension that allows sales teams to extract decision-maker contacts directly from company domains and profile pages. It is commonly used alongside cold outreach tools to build targeted prospecting lists.
Woodpecker is an outbound automation platform designed for cold email and LinkedIn sales outreach. It manages personalized follow-ups, conditions, and email sending patterns directly through connected inboxes while protecting deliverability. Built-in tools include email verification, inbox rotation, domain audits, and an integrated B2B lead database.