DelightEd & Podofyllin

DelightEd – Rich Text (RTF) editor with special Dark Mode features and support for interlinear text

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DelightEd works as a full-featured Rich Text (RTF) editor in Sierra and later, with similar features to TextEdit but without support for graphics or RTFD. In Mojave, though, it can switch to full Dark Mode, and gives control over the whole app’s behaviour and individual windows. Supports regular colours for text and background, URL links, and in Mojave supports textColor markup for text which switches mode properly. Ideal for viewing RTF saved from Consolation 3 and Nalaprop. Has live word and character count. Notarized for Mojave. Opens and saves plain text, HTML and PDF files, as well as RTF. Version 2 adds support for creating and working with interlinear text, such as multiple translations of a document.
DelightEd 2.0b4 (Intel-only for Sierra, High Sierra, Mojave and Catalina)
DelightEd 2.0 (Universal App for Sierra, High Sierra, Mojave, Catalina and Big Sur)

Podofyllin – lightweight PDF viewer and analysis

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Opens PDF files, showing page thumbnails, variable zoom view, and full text contents. Clean and simple, easy navigation, gives extensive access to contents, with rich and plain text copying, and searches. PDFKit-based and cannot change content of PDF file. Update adds integrity checking and auto-update. Notarized for Mojave.
Podofyllin 1.0b17 (Intel-only for Sierra, High Sierra, Mojave and Catalina).
Podofyllin 1.0 (Universal App for Sierra, High Sierra, Mojave, Catalina and Big Sur)

Known Issues:

DelightEd – printing support and saving to PDF are greatly improved in the new version 1.3.
DelightEd version 2.0b4 can now read more Unicode text

Podofyllin – printing support has been fixed and enhanced in the new version 1.0b16.

Podofyllin 1.0 is now a Universal App
DelightEd 2.0 is now a Universal App
Using and hacking styles in TextEdit and DelightEd – a guide for users
Making interlinear composite text using DelightEd 2.0b1
Implementing interlinear text in macOS

PDF without Adobe

1 At the heart of macOS
2 Why PDF is so odd
3 Building your own PDF reader 1
4 Building your own PDF reader 2
5 Building your own PDF reader 3
6 Quartz and Preview
7 Adding a PDF Help book
8 Security, integrity and forensics
9 Bizarre bug in macOS
10 PDF Expert
11 PDFpenPro 10
Synchronised Scrolling: a brief movie on PDF
Searching PDF documents: a new feature in Podofyllin
12 Vulnerabilities in digital signing
Recovering a damaged document
13 PDF documents can readily leak data
14 PDF is inherently not secure
15 macOS can sanitize your PDFs
16 Reading PDF source
17 Unredacting Manafort’s documents and recovering PDF versions
18 Seeing inside PDF more clearly
Further improvements to Podofyllin’s Source window
19: Seeing inside PDF with Podofyllin
DelightEd now opens the rich text content of PDFs, as well as HTML, RTF and text files
Printing without tears in Dark Mode (and exporting to PDF)
Inside the Mueller Report with Podofyllin: can it be deredacted?
20: Outlines, Bookmarks and Preview
21 PDF Annotations