LinkedIn Sales Navigator is the largest B2B database on earth. Most platforms rely on LinkedIn to generate their data. It usually has the most updated data since it is used by job seekers and companies to generate opportunities.
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As such, the displayed information is updated by people & companies themselves. The platform has many filtering options, both at the account and personal levels. By observing signals taken by people and companies, it is possible to create high-intent lists of leads interested in purchasing products and services.
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Pricing: Plans start at $39/mo. If you wish to use LinkedIn Sales Navigator features, it will cost you $69/mo or more.
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Ratings: LinkedIn Sales Navigator is rated 4.3/5 on G2 (1645 reviews)

Phantombuster is a web automation tool extracting data from websites and online platforms. It offers pre-built automation scripts and API connectors to make data gathering more efficient and saves time and resources by eliminating the need for manual scraping or programming skills.
It is particularly helpful to extract data from LinkedIn and build contact lists on the platform.

Pricing: Phantombuster offers three pricing plans ($59/mo, $199/mo, and $399/mo)
Ratings: Phantombuster is rated 4.3/5 on G2 (30 reviews)

Monitors your team’s LinkedIn engagement, surfaces warm buying signals across target accounts, and supports signal-based outreach for B2B pipeline.

Pricing: Business plan $399/mo (3‑month initial term) for tracking 300 active prospects.

Ratings: G2 listing exists; aggregate score not captured in provided sources.

Clay is a platform that assists with creative prospecting and lead generation. With access to more than 50 data sources, including live LinkedIn data, automated Google searches, website keyword searches, and job listing scraping, Clay helps users find potential customers.
Clay eliminates the need for messy CSVs, API keys, and tedious cross-checking by offering built-in sources for lead generation across the internet. It is designed to automate finding and qualifying leads.

In addition, Clay includes GPT-3 integration, which allows users to create personalized emails to communicate with prospects.

Pricing: Clay starts at $349/mo

Sales CRM and pipeline management with social engagement features to identify, warm, and convert B2B leads via content-led selling.

Pricing: $29/$59/$79 per user/month; 14‑day free trial.

Ratings: G2 4.7/5 (reported in 2025 overview).

Instantly is a software that helps businesses and sales professionals find new customers through Cold Email. It makes the process easy by providing contact list management, automated messaging, follow-ups, and email warmups.
What makes Instantly special is that users can create unlimited profiles for a fixed price. This means it's a cost-effective option for those who regularly send lots of cold emails. Compared to other solutions, it can be much cheaper, up to 10 to 20 times less expensive.

Pricing: Instantly starts at $37/mo for their Growth plan.
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Ratings: Instantly is rated 4.9/5 on G2 (47 reviews)

Build hyper‑targeted ad audiences and take action on insights; product mentions modules like Funnel Vision for campaign execution.

Pricing: Not publicly listed in provided sources.

Ratings: G2 listing exists; aggregate score not captured in provided sources.

Identifies anonymous website visitors for ABM and revenue teams to route and activate for outreach.

Pricing: $99/mo (listing snippet).

Ratings: Not available on G2/Capterra in provided sources.

Creator‑friendly newsletter platform with monetization and growth features; supports paid subscriptions and pricing controls for premium content.

Pricing: Starts around $49/mo for ~1,000 subscribers; approx $329/mo at 100,000 subscribers based on published comparisons and reviews.

Ratings: G2 4.6/5 (reported in 2025 summary).

Integrates with your CRM, sales engagement, calendars, and forms to qualify, route, enrich, and book meetings automatically for B2B teams.

Pricing: $45/seat/month.

Ratings: G2 listing exists; aggregate score not captured in provided sources.

Object‑based, customizable CRM with automation and AI; popular with startups and scaling B2B teams.

Pricing: Free plan available; paid plans from $29/user/month, with editions reported up to $119/user/month.

Ratings: G2 4.8/5 (2025 review roundup).

ChatGPT for Business/Teams provides a shared workspace with admin controls and connectors; the API offers usage‑based access to GPT models for content, enrichment, assistants, and image generation for B2B workflows.

Pricing: ChatGPT Team/Business $25/seat/mo billed annually or $30/seat/mo billed monthly; API is usage‑based (e.g., per‑token text, per‑image generation).

Ratings: G2 listing exists; aggregate score not captured in provided sources.

Captures community, product, and third‑party signals, enriches people/accounts (Person360), and prioritizes outreach to warm prospects.

Pricing: Starter from ~$1k/mo billed annually (up to 35k contacts, 2 seats); examples include Starter $7,500/yr and Team $20,000/yr in public references.

Ratings: G2 4.7/5 (reported in 2025 write‑up).

Run email, LinkedIn, and phone outreach with lead database, email finder/verifier, and AI ice‑breaker personalization for sales teams.

Pricing: Email Pro $69/user/mo; Multichannel Expert $99/user/mo; Enterprise custom.

Ratings: G2 4.5/5; Capterra 4.6/5 (2025 overviews).

Cloud‑based LinkedIn automation with smart multi‑step sequences for B2B prospecting.

Pricing: $99/month per LinkedIn account.

Ratings: G2 4.2/5; Capterra 4.4/5 (2025 review roundup).

Omnichannel messaging (email, SMS, push) with event‑triggered workflows, segmentation, and analytics for B2B lifecycle marketing.

Pricing: Essentials starts at $100/mo (includes 5,000 profiles and 1M events).

Ratings: G2 listing exists; aggregate score not captured in provided sources.

n8n is a top-rated automation platform that enables users to easily connect various tools and third-party APIs without the need for extensive coding. Its unique fair-code distribution model ensures transparency by providing visibility into its source code, and it also offers self-hosting options. n8n's customizable functions, logic, and app integrations make it highly adaptable and user-friendly.
The platform is supported by a dedicated community that regularly contributes to its development, making it a highly scalable and versatile workflow automation solution.

Pricing: n8n starts at $20 per month
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Rating: n8n is rated 4.5/5 on G2 (14 reviews)

Valley is an AI SDR for LinkedIn. It researches prospects, drafts ultra‑personalized outreach, and handles follow‑ups to turn cold profiles into booked meetings. It’s built for signal‑based outbound (e.g., pricing‑page visits, job changes), and includes safety controls like daily‑limit compliance and open/closed‑profile detection.

Pricing: Seat-based. Public references indicate plans around $400/seat/month; confirm current tiers on Valley’s pricing page.

Ratings: No verified G2 rating yet (newer product; listed on Capterra).

Warm outbound powered by buyer intent Unify is a GTM “system of action” that captures buyer intent (company and person-level), runs AI agents for research and personalization, and auto‑orchestrates plays and sequences across email and LinkedIn. Use it to reveal website visitors, qualify in real time, and trigger tailored outreach that reacts to intent.

Pricing: Contact sales. Partner references indicate entry plans around $1,000–$1,500/month, with add‑ons (e.g., ~$25/user, ~$100 per sending mailbox); confirm on Unify’s pricing page.

Ratings: Listed on G2; aggregate star rating and review count aren’t publicly surfaced yet.