There is an interesting bundle offer running at the moment.

"A collection of seven fantastic Mac apps to help you be more productive. Focused around writing, editing, researching and organising, these apps are the perfect companion to all researchers and scientists. The best part? This selection of Mac apps normally cost $305, but during this promotion (which won't last for long), the whole bundle is just $49.99!”

The apps are:-

Papers $80 Your personal library of research designed for your Mac. Papers ​is a multiple a​ward winning​ application developed for researchers. It turns your messy heap of PDFs into your personal library. It helps you collect, curate and stay up to date with your field.

Manuscripts $40 A writing tool like nothing you have seen before. Manuscripts is a writing tool for complex documents unlike any you have seen: it helps you with a complex writing project from outline to editing, proof reading and publishing stages, all within a beautiful Mac app.

Records $30 Records is a delightful and easy to use personal database. The perfect companion for everything you want to collect and organize in life, from your favorite movies to your customer invoices, offering a great balance between easy of use and powerful features.

Soulver $11 Soulver helps you work things out. It's more than a spreadsheet, and smarter than a calculator. Soulver helps you do quick calculations and work things out. Use Soulver to play around with numbers, do "back of the envelope" calculations, and solve day-to-day problems.

DEVONagent Pro $50 Your smart Internet (re)search assistant. DEVONagent Pro helps you search more efficiently on the web. It searches multiple sources, frees you from hunting for the really relevant results, and gives you power tools for your research.

TextSoap $45 Automate tedious text document cleaning. Automatically remove unwanted characters, fix messed up carriage returns, and pretty much anything else you can think. Stop manually fixing text documents and emails. TextSoap can automate away that tediousness.

Findings $49 Your research notebook, reinvented.

All 7 applications for $49.99