Marketing & Analytics Stack Escape Guide 2026 [TOP 10]｜TechAthletes（テックアスリーツ）

Have you ever sighed while looking at a HubSpot invoice?

“I just want email delivery, forms, and web analytics, but Marketing Hub Professional is $890/month (including 3 seats, billed monthly), plus a mandatory $3,000 onboarding fee for the first year only.” In yen (calculated at 150 yen to the dollar), that is over 130,000 yen per month, and about 2.05 million yen for the first year.

Marketo Engage is even heavier, with pricing based on undisclosed quotes. Industry estimates suggest it starts around $40,000 per year, with some studies showing an average contract value in the $110,000 range. This is not a budget that startups or contract projects can afford.

And it’s not just the cost that hurts. The price increases as your contact count grows, your data resides on their cloud, and if you cancel, you lose your history along with it.

As of 2026, it is now possible to build a CRM, email delivery, MA, web analytics, surveys, and chat system entirely using OSS. In this article, based on star counts and last update dates retrieved from the GitHub API as of September 27, 2026, I have selected only projects that are actively being developed.

Top 10 OSS Alternatives to HubSpot/Marketo (as of September 2026)

★ = GitHub star count. All 10 have had their code updated within the last week.

• 1. Twenty (★57.5k) … A modern CRM built with React. An alternative to HubSpot CRM.
• 2. PostHog (★39.9k) … All-in-one product analytics, session recording, and A/B testing.
• 3. Umami (★39.0k) … Lightweight, cookie-free web analytics. MIT licensed.
• 4. Chatwoot (★37.2k) … A customer support tool that serves as an alternative to HubSpot’s inbox/chat.
• 5. Plausible Analytics (★29.2k) … Simple, privacy-focused analytics for those tired of GA4.
• 6. Krayin CRM (★23.9k) … A CRM built with Laravel. Easy to customize if your team knows PHP.
• 7. Listmonk (★23.6k) … High-speed newsletter/mailing list delivery that runs as a single binary.
• 8. Matomo (★21.9k) … A full-featured web analytics tool that replaces GA. Widely used in Japan as well.
• 9. Formbricks (★13.0k) … Surveys/NPS/forms. v6.0 was released in September 2026.
• 10. Mautic (★10.6k) … The standard for OSS MA (Marketing Automation). The most viable alternative to Marketo. The latest version is the 7.2 series.

* Others, such as Dittofeed (★3.0k), Keila, and Jitsu, will also be covered in the paid section. There are important points to know about Dittofeed before implementing it.

Monthly Cost Comparison: Commercial Tools vs. OSS (A Sneak Peek)

用途商用ツール商用の月額目安OSSの代替OSSの月額目安（セルフホスト）MA・メール配信HubSpot Marketing Hub Pro$890（約13.4万円）＋初期費用$3,000Mautic ＋ ListmonkVPS代 約1,500〜4,000円 ＋ 送信料（Amazon SESなら1,000通あたり$0.10）エンタープライズMAAdobe Marketo Engage見積制（推計で年$4万〜）Mautic同上CRMHubSpot Sales Hub など席数に比例して増えるTwenty席数に関係なく0円（サーバ代のみ）アクセス解析GA4 360 など有償版見積制（高額）Umami / Plausible / Matomo小さいVPSなら数百〜1,500円

* Exchange rate calculated at 150 yen to the dollar. VPS costs are estimates that vary depending on the configuration.

Looking at the numbers alone, it might seem like you should just switch everything to OSS. However, in reality, there are many cases where choosing the wrong combination of OSS leads to operational overhead that exceeds the cost of commercial tools. Especially with Marketing Automation, if you don’t master email deliverability, cron jobs, and queues, you will end up in a state where “emails don’t arrive” or “segments don’t update.”

👇 Below, in the paid section, I will explain in detail the specific implementation steps, pitfalls, and the author’s recommended rankings for the TOP 10.

• The strengths, weaknesses, and actual use cases for each of the 10 tools
• A detailed comparison table listing costs, features, and migration difficulty
• The author’s top 3 picks and the reasons why (a conclusion different from just “sorting by star count”)
• 5 ready-to-use docker-compose/configuration files
• 7 failure patterns when migrating from HubSpot

For ¥200, less than the price of a lunch, you can avoid the detours of migration.

Related article: tech-athletes.com where I share more engineering information