Microsoft OneNote, Simplenote, Google Keep, CherryTree, Notesnook, Trilium Notes, Encrypted Notepad, JNotes, Dendron, Efficient Diary, Quire, Crypto Notepad, Penbook, Onetastic for Microsoft OneNote, Turtl, Meemo, Cryptee, Locknote, CryptoTE, Ideaflip, Type Here, SnipNotes, Pear Note, ZenPen, Chrome Extension Notepad, Vor Board, NPPCrypt, Google Keep Notes, Paranoia Text Encryption, Knowte, fSekrit, SSuite CleverNote PIM, Permanote, CTI Text Encryption, YodaNote, Synapbook, Ctitch, Saferoom, Memrify, Umbrella Note, gjots2, Quicknotes, Centrallo, NotePost, JotBlue, memosaic, NotePlex, PryNotes, TurboNote for Google Keep, Notekeys, Mynlo, camnote, FlowNote note manager, Conboy, EXtra Voice Recorder, TheLetterEncrypter, colocolomemo, BiblioSpot, SmartNotes, As Noted, Escriba, Mirakel, CryptNote, SteloNote Advance Notebook, Chrome-Notepad, CryptoPad are some alternatives to Notebook PEA.