Obsidian, Anki, Quizlet, Workflowy, StudyFetch, Logseq, Dynalist, TiddlyWiki, H5P, AnkiDroid, Roam Research, Capacities, Notesnook, Memrise, Trilium Notes, Vocabulary.com, Voscreen, xTiles, Translate Me, AnkiApp, Parley, Beelinguapp, jMemorize, Toki Pona Pal, Kanji Koohii, hello ivy, Membean, AFFiNE, Wisdolia, wreeto, Flashcard Hero, Obenkyo, Purrfect Memory, Tinycards, Readlang, SuperMemo, QOwnNotes, Simply Learn Languages, StudyKit, 10,000 sentences, Mochi, Reji, NoteDex, Tangent Notes, Flowlingo, Ichimono, Outlinely, LeitnerBox, Memcode, Inkpad Notepad, Org-roam, MindForger, Zenkit Hypernotes, Cerego, Teach2000, NeuraCache, AnyMemo, Flashcard Online, Notabase, SmartCards+, DeepNotes, Ulangi, Oxford English Vocab Trainer, myReach, Ba Ba Dum, My Language Exchange, Dictionary.com Flashcards, Studylib, Frontdoor, TOFU Learn, MemoryLifter, Brainscape, Cubox, Flowtelic, NimbleNotes, Lexicum, WordListHub.com, Repetitions, Wokabulary, Mnemosyne, Semper, Vocabulary Miner, Classmint, LearnObit, Vocaboly, MosaLingua, Pauker, Memcards, Fresh Memory, Vocabify, VocApp.com, FullRecall, Voc2brain, Avokado, Studies, iFlash, easy ten, Buffl, Aprelendo, zuknow, bitgab, Revisy, Audio Lesson Generator, SoYouLearn, iGNUit, Flashcard Exchange, Headmagnet, TeamSpanish, brain.cards flashcards, Code Cards, Flash Cards Max, Elon.io, Agenda Mahala, Blonskij, Xeropan, Papapapaya, Discovery FlashCards, Transparent Language, Pixnary, eXlogue, WaitChatter, LearnWithOliver.com, Fantazio de Esperanto, Memopulse, MemoMash, Earworm Audioflashcards, pimReader, Ankimono, Note Yourself, FluxCards, StudyMD, Multi-Lingual Vocabulary Trainer, Flashcards Deluxe, Nimonikku, Kanji Book, BRAINYOO, Byki, Omnimemory, LingoZING!, Overfluent are some alternatives to RemNote.