A curated list of marketplaces, tools, guides, and resources for guest posting and editorial link building.
Guest posting (contributing articles to other websites in exchange for author bylines, exposure, or backlinks) remains one of the most reliable white-hat link building tactics. The landscape is fragmented across marketplaces, outreach software, journalist platforms, and niche communities. This list tries to map it honestly, with working links.
Entries are listed alphabetically within each section. No entry is "number one" by position. Inclusion here is not an endorsement of every feature; read current reviews before you buy.
- Marketplaces
- Outreach Tools
- Prospecting and Backlink Analysis
- Journalist and HARO-Style Platforms
- Guides and Tutorials
- Blogs and Newsletters
- Books
- Agencies
- Communities
- Free Tools and Calculators
- Contributing
- License
Platforms where buyers and publishers transact guest post placements, link insertions, or sponsored articles.
- Adbassador - Vetted marketplace for guest posts, link insertions, banner ads, and press releases with detailed publisher metrics.
- Adsy - Marketplace connecting publishers and buyers for sponsored posts.
- BackLinked - Managed link building service with a marketplace interface.
- Collaborator.pro - International sponsored content platform with publisher traffic and authority data.
- Getfluence - Marketplace for sponsored articles on European and international publications.
- Linkhouse - Content marketplace with 74,000+ publishers, strong European inventory.
- Publisuites - Spanish-language-heavy marketplace for sponsored posts, reviews, and social mentions.
- PRNEWS.IO - Sponsored content and press release network with a news-site focus.
- WhitePress - Large European content marketplace with an extensive publisher database.
Software for pitching editors, tracking replies, and managing guest post campaigns at scale.
- BuzzStream - Link building CRM with outreach sequencing and relationship tracking.
- Hunter Campaigns - Email outreach built into the Hunter email-finding workflow.
- Lemlist - Cold email and outreach platform with personalization at scale.
- Mailshake - Cold outreach and follow-up automation used for link building and sales.
- Pitchbox - Outreach and link building platform used by agencies and in-house SEO teams.
- Postaga - All-in-one outreach platform with built-in prospecting.
- Respona - Outreach and digital PR platform with journalist discovery features.
Tools for finding guest post opportunities, analyzing competitor backlinks, and qualifying target sites.
- Ahrefs - Backlink index, site audit, and content gap analysis; the Content Explorer tool is useful for finding sites that publish on your topic.
- BuzzSumo - Content and journalist discovery, useful for finding writers who cover your niche.
- Hunter.io - Email finder for reaching editors directly.
- Majestic - Backlink analysis with Trust Flow and Topical Trust Flow metrics.
- Moz Pro - SEO toolset including Link Explorer for backlink discovery.
- NinjaOutreach - Influencer and blogger discovery platform for outreach prospecting.
- Semrush Backlink Analytics - Backlink and link-gap analysis across competitors.
- Ubersuggest - Lower-cost SEO toolset with backlink data and content ideas.
Platforms that connect sources to journalists, often producing contributor bylines or quote placements rather than traditional guest posts. Useful adjacent tactic.
- Featured - Expert-sourcing platform (formerly Terkel) connecting subject matter experts with publishers.
- HARO (Help A Reporter Out) - The original reporter-source matching service, still the highest-volume daily press query newsletter.
- JournoRequests - UK-focused platform aggregating journalist source requests.
- MentionMatch - Connects B2B writers with expert sources (formerly Help a B2B Writer).
- Qwoted - Source and journalist matching platform with a well-curated pool of press queries.
- SourceBottle - Australian-founded platform connecting sources with journalists and bloggers globally.
- Source of Sources - Peter Shankman's media query newsletter.
Evergreen long-form resources that teach the craft.
- Ahrefs: Guest Blogging for SEO - Framework-driven guide on using guest posts to build rankings.
- Authority Hacker: Shotgun Skyscraper Link Building - Systematic approach to outreach at scale, built on 630,000+ analyzed outreach emails.
- Backlinko: The Definitive Guide to Guest Blogging - Foundational guide to guest posting for links and authority.
- Moz: The Beginner's Guide to Link Building - Chapter on guest posting as part of the broader discipline.
- Siege Media: How to Pitch a Guest Post - Agency-side perspective on what actually gets accepted.
Ongoing content sources worth subscribing to for link building and SEO developments.
- Ahrefs Blog - Data-driven SEO content, frequently on link building.
- Authority Hacker Blog and Newsletter - Affiliate and content site operator perspective.
- Backlinko Blog - Brian Dean's long-form SEO and link building articles, now maintained by Semrush.
- Detailed.com - Glen Allsopp's research-heavy newsletter on SEO and big-site tactics.
- Marie Haynes Consulting - Technical and algorithmic SEO newsletter with practical takeaways.
- Niche Pursuits - Spencer Haws on niche sites, SEO experiments, and interviews.
- Search Engine Journal - Industry news and practitioner articles.
- Search Engine Land - News coverage of search updates and industry developments.
- Search Engine Roundtable - Barry Schwartz's daily industry blog tracking Google changes.
- SEO FOMO - Aleyda Solis's weekly SEO newsletter with curated links.
- Siege Media Blog - Agency-perspective content on SEO, content strategy, and link building.
- Authority Hacker Pro (course, book-length) - Paid program covering guest posting and authority site building.
- Evergreen by Lars Lofgren - Content strategy framing that informs guest-post pitching.
- Lost and Founder by Rand Fishkin - Founder memoir with SEO and content lessons applicable to guest post positioning.
- They Ask, You Answer by Marcus Sheridan - Content-marketing framework that pairs well with guest-post strategy.
Service providers that build links or secure guest posts as their primary offering. Listed for transparency; buyer due diligence required.
- Authority Builders - Link building service from the Authority Hacker team.
- FATJOE - Established link building and content service with a broad SKU catalog.
- Loganix - Done-for-you SEO and link building service.
- OutreachZ - White-hat link building service with guest post placements.
- Page One Power - Resource link building and guest post agency.
- Siege Media - Content marketing agency known for linkable asset campaigns.
- uSERP - Digital PR and link building agency for SaaS and B2B.
Forums, subreddits, and groups where link builders and SEOs exchange tactics.
- r/bigseo - Subreddit for professional SEOs, stricter moderation than r/SEO.
- r/juststart - Subreddit focused on building profitable niche sites.
- r/SEO - The largest SEO subreddit.
- Traffic Think Tank - Paid community with live events and a Slack workspace.
No-cost utilities for planning, measuring, or auditing guest post campaigns.
- Adbassador Guest Post ROI Calculator - Free calculator for estimating guest post campaign returns based on DR, traffic, and niche.
- Ahrefs Free Backlink Checker - Free limited view into a site's top backlinks and referring domains.
- Google Search Console - Free tool for tracking earned backlinks and referring pages.
- Moz Link Explorer (free tier) - Limited free lookups of domain authority and backlinks.
- Ubersuggest Free Tier - Limited free backlink and keyword data.
Contributions welcome. See CONTRIBUTING.md for guidelines.
Briefly: entries must be actively maintained, produce a public-facing resource or service, and belong in one of the existing sections. Pay-to-list submissions will be rejected. Self-submissions from the owner or an employee of the listed service must be disclosed in the pull request.
To the extent possible under law, the contributors have waived all copyright and related or neighboring rights to this work.
