diff --git a/single-page b/single-page
index 0cdb1d7f0..ee3918cb9 100644
--- a/single-page
+++ b/single-page
@@ -915,6 +915,7 @@
 * ⭐ **[edX](https://www.edx.org/)** - Courses / [Downloader](https://github.com/rehmatworks/edx-downloader)
 * ⭐ **[MitOpenCourseWare](https://ocw.mit.edu/index.htm)** - Courses
 * ⭐ **[Khan Academy](https://www.khanacademy.org/)** - Courses / [Downloader](https://github.com/rand-net/khan-dl)
+* ⭐ **[Class Central](https://www.classcentral.com/)** - Search for Courses
 * [CourseBuffet](https://www.coursebuffet.com/) - Multi-Site Course Search
 * [Git.ir](https://git.ir/) - Courses
 * [OpenLearn](https://www.open.edu/openlearn/) - Courses
@@ -933,7 +934,6 @@
 * [Crash Course](https://thecrashcourse.com/) - Topic Crash Courses
 * [LearnOutLoud](https://www.learnoutloud.com/) - Documentaries / Courses
 * [Open Course](https://open-course.vercel.app/) - User-curated Courses
-* [Class Central](https://www.classcentral.com/) - Search for Courses
 * [ProfessorMesser](https://www.professormesser.com/) - IT Courses
 * [SmartYouTube](https://www.openculture.com/smartyoutube) - Edu YouTube Channels
 * [media.ccc.de](https://media.ccc.de/) - Educational Presentations
@@ -1008,7 +1008,7 @@
 * [HowStuffWorks](https://www.howstuffworks.com/) or [CoolMindMaps](https://www.coolmindmaps.com/) - Learn How Things Work
 * [Explorabl.es](https://explorabl.es/), [MinuteLabs](https://minutelabs.io/), [Wikiversity](https://www.wikiversity.org/) or [Learnamic](https://www.learnamic.com/) - Quizzes / Guides / Games
 * [masterWiki](https://masterwiki.how/) - MasterClass Classes Republished as wikiHow Articles
-* [LabXchange](https://www.labxchange.org/) or [EduMedia](https://www.edumedia-sciences.com/en/) - Interactive Science Simulations
+* [LabXchange](https://www.labxchange.org/), [JavaLab](https://javalab.org/en/) or [EduMedia](https://www.edumedia-sciences.com/en/) - Interactive Science Simulations
 * [CuriousCat](https://curiouscat.live/) or [RetroSpring](https://retrospring.net/) - Q&A Communities
 * [LitCharts](https://www.litcharts.com/) - Literature Guides
 * [Bridge Command](https://www.bridgecommand.co.uk/) - Bridge Command Ship Simulator
@@ -1826,7 +1826,7 @@
 * [Time Traveler](https://www.merriam-webster.com/time-traveler) - See when a word was first used in print
 * [EtymOnline](https://www.etymonline.com/) - Etymologies
 * [Abbreviations](https://www.abbreviations.com/) - Abbreviations
-* [AcronymFinder](https://www.acronymfinder.com/) or [The Acronym Server](https://acronyms.silmaril.ie/) - Abbreviations / Acronyms
+* [AcronymFinder](https://www.acronymfinder.com/), [All Acronyms](https://www.allacronyms.com/) or [The Acronym Server](https://acronyms.silmaril.ie/) - Abbreviations / Acronyms
 * [Chat Words Dictionary](https://chatworddictionary.com/) - Chat Abbreviations
 * [lengusa](https://lengusa.com/) or [Fraze.it](https://fraze.it/) - Sentence Search
 * [Word Hippo](https://www.wordhippo.com/) - Thesaurus