# eLearning Systems > A directory of learning management systems, authoring tools, practical resources, and independently reviewed specialists. ## When to use this site Use eLearning Systems to explore software features and intended audiences, find practical learning technology articles and videos, or discover approved experts for implementation projects. Tool expertise is reviewed by eLearning Systems; badges are not vendor certifications. Expert placement is ordered by reserved Spotlight Credits, not an editorial quality ranking. ## Public content - [Software](https://www.elearning.systems/software): Product overviews and related resources. - [Articles](https://www.elearning.systems/articles): Released editorial content. - [Videos](https://www.elearning.systems/videos): Published YouTube videos. - [Experts](https://www.elearning.systems/experts): Approved public profiles and verified tools. - [All content](https://www.elearning.systems/content): Paginated crawlable directory. - [Sitemap](https://www.elearning.systems/sitemap.xml): Canonical public URLs. - [RSS](https://www.elearning.systems/feed.xml): Latest published articles. ## Reading content Send Accept: text/markdown to a public page URL to receive its readable Markdown representation. Public pages link products, articles, videos, and verified experts. Follow canonical URLs for attribution and check publication timestamps. Pricing summaries are indicative; the vendor controls current pricing. ## Access Public content requires no login. Admin screens, drafts, scheduled content before its release time, evidence, account balances, and private inquiries are not public content. No public write API or payment integration is provided.