Alternatives

Colossus alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

Current skill

Colossus

Self-hosted email marketing solution

54
Quality
75
Trust
563
Stars
#1

Django CRM

Similarity 115Trust 95Excellent 100

Open Source CRM for Startups — Django REST + SvelteKit · Self-hosted · Multi-tenant · Free forever

2.3K starsJun 16, 2026 pushgrowth-marketingPythonCRM
$ npx skills add MicroPyramid/Django-CRM
#2

LibreCrawl

Similarity 109Trust 86Excellent 86

Free desktop SEO crawler - open source alternative to Screaming Frog and similar tools. Crawl websites, analyze links, extract SEO data, and export results without subscription fees. Fully customizable and extensible!

707 starsJun 1, 2026 pushgrowth-marketingPythonSEO
$ npx skills add PhialsBasement/LibreCrawl
#3

Django Crm

Similarity 109Trust 88Excellent 85

CRM and Task management software, Email marketing and many more. Django CRM software app is built for individual use by businesses of any size or freelancers and is designed to provide easy customization and quick development. ✨

584 starsJun 11, 2026 pushgrowth-marketingPythonCRM
$ npx skills add DjangoCRM/django-crm
#4

Frappe Docker

Similarity 107Trust 94Excellent 100

Docker environment for developing, deploying, and running Frappe applications (ERPNext and custom apps) in production and development

2.4K starsJun 15, 2026 pushgrowth-marketingPythonCRM
$ npx skills add frappe/frappe_docker
#5

Django Meta

Similarity 107Trust 83Strong 80

Pluggable app to allow Django developers to quickly add meta tags and OpenGraph, Twitter, and Google Plus properties to their HTML responses.

553 starsJun 16, 2026 pushgrowth-marketingPythonSEO
$ npx skills add nephila/django-meta
#6

Openclaw Marketing Skills

Similarity 107Trust 89Excellent 97

33 battle-tested marketing skills for OpenClaw agents — Powered by MyClaw.ai

1.2K starsJun 2, 2026 pushgrowth-marketingSEOClaude Code
$ npx skills add LeoYeAI/openclaw-marketing-skills
#7

Analytics

Similarity 106Trust 98Excellent 100

Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.

27K starsJun 16, 2026 pushgrowth-marketingElixirAnalytics
$ npx skills add plausible/analytics
#8

Platform

Similarity 106Trust 98Excellent 100

Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)

26K starsJun 16, 2026 pushgrowth-marketingTypeScriptCRM
$ npx skills add hcengineering/platform
#9

Laravel Crm

Similarity 106Trust 98Excellent 100

Free & Opensource Laravel CRM solution for SMEs and Enterprises for complete customer lifecycle management.

23K starsJun 10, 2026 pushgrowth-marketingBladeCRM
$ npx skills add krayin/laravel-crm
#10

Matomo

Similarity 106Trust 98Excellent 100

Empowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualise, and analyse data from websites & apps. Star us on GitHub ⭐️ – Pull Requests welcome!

22K starsJun 16, 2026 pushgrowth-marketingPHPAnalytics
$ npx skills add matomo-org/matomo
#11

Monica

Similarity 106Trust 96Excellent 100

Personal CRM. Remember everything about your friends, family and business relationships.

25K starsApr 24, 2026 pushgrowth-marketingPHPCRM
$ npx skills add monicahq/monica
#12

Twenty

Similarity 105Trust 92Excellent 100

The open alternative to Salesforce, designed for AI.

50K starsJun 16, 2026 pushgrowth-marketingTypeScriptCRM
$ npx skills add twentyhq/twenty
#13

AI Marketing Claude

Similarity 105Trust 92Excellent 94

AI Marketing Suite for Claude Code. 15 marketing skills with parallel subagents — audit any website, generate copy, email sequences, ad campaigns, content calendars, competitive intelligence, and client-ready PDF reports.

1.9K starsMar 2, 2026 pushgrowth-marketingPythonSEO
$ npx skills add zubair-trabzada/ai-marketing-claude
#14

HEAD

Similarity 105Trust 92Excellent 100

A simple guide to HTML <head> elements

30K starsMay 28, 2026 pushgrowth-marketingSEOClaude Code
$ npx skills add joshbuchea/HEAD
#15

Advertools

Similarity 105Trust 91Excellent 97

advertools - online marketing productivity and analysis tools

1.4K starsApr 2, 2026 pushgrowth-marketingPythonSEO
$ npx skills add eliasdabbas/advertools
#16

Posthog

Similarity 104Trust 95Excellent 100

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

35K starsJun 16, 2026 pushgrowth-marketingPythonAnalytics
$ npx skills add PostHog/posthog

How to choose

When should you switch?

Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Colossus if it already passes your workflow test and repository review.

Next step

Compare top candidates side by side

Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.