# Ticis > A software notebook with practical explorations of software development. Articles are available as HTML for browsers and Markdown for text-based readers. Markdown versions contain the complete article, including code examples and references. Use the canonical HTML URL when citing an article. Publication dates appear in Markdown frontmatter; technical version claims belong to the article's stated context. ## Articles - [Monads for Kotlin Developers](https://ticis.eu/blog/monads-for-kotlin-developers.md): A practical exploration of monads through Kotlin: nullable chains, flatMap, typed errors, coroutines, and Arrow. Published 2026-09-13. [HTML](https://ticis.eu/blog/monads-for-kotlin-developers/). ## Discovery - [Markdown index](https://ticis.eu/sitemap.md): Public pages and their reading formats. - [Atom feed](https://ticis.eu/feed.xml): Published article updates. - [XML sitemap](https://ticis.eu/sitemap.xml): Canonical page URLs for crawlers. ## Contact - [Contact](https://ticis.eu/contact/): Contact the site owner.