I fully use all of 1Password and Concealer works great with it. I try to keep 1Password lean and clean with not a lot of junk in it. Concealer is where I keep all the junk I don't want busying up 1Password. I save every email sent to me with a serial number, download link for registered software, welcome emails w/account info, receipts of all kinds, account setup emails, pdfs with security questions and their answers -- and on and on with various emails with important info. I realize there's a place in 1Password where I can put all the various documents of importance but like i said, i like to keep 1Password uncluttered and lean. So Concealer is great for putting all these various docs and keeping them well organized too. For serial numbers, i create a main folder called "Serial Numbers." Then i create subfolders in the Serial Number folder for every application i have with a serial number -- 1Password, BetterZip, Cocktail, Photoshop, Pixelmator and on and on -- and simply throw in all emails or information of importance into its corresponding folder. For accounts -- Twitter, Facebook, Macupdate, Amazon, eBay etc., I do the same thing. For credit cards -- same thing. For email accounts -- same thing. And so on and so forth. In 1Password I fill in the fields; in Concealer I keep all related documentation. Why keep all your eggs in one basket?

All Concealer is is a a 256-bit AES encrypted sparse disk image. But Concealer adds a nice interface to the image along with nice organizational and searching abilities. I'm hoping BeLight keeps supporting and updating it. It's nice and simple and there's not much that can go wrong -- it's as safe and simple as using Disk Utility.

I used Espionage before but it adds iSpy.kext to the Extensions folder and that leaves me a little worried, even though nothing ever went wrong with Espionage and it's made by a very reputable company.

and i still use Paperless when i ever get around to neatly organizing stuff. i use DEVONthink daily but not for secure stuff.

so Concealer is great to have around as a nice 256-bit AES encrypted sparse disk image to toss sensitive docs into -- no fuss, uncomplicated, safe and very secure.

Nice addition to 1Password. Works as advertised, no any problems. The icon is wonderful :)

Concealer tries to do three things:

1) Provide a secure place to store login/passwords for websites
2) Provide a secure place to store notes; and,
3) Provide a secure place to store files.

IMHO, it does 2) and 3) fairly well. But if you have LOTS of notes and files to store, you may find the interface difficult to use to fond the right notes or file.

If you are used to 1Password for website login passwords, you will probably be disappointed with VERSION 1 of Concealer. It does not look like there are any browser plugins to make it easy to login to sites, You need to cut and past passwords etc from Concealer. Not as convenient in my view.

For websites passwords, I prefer 1Password or Lastpass over Concealer. Or if you want a totally free open source alternative, try KeePassX.

For storing notes, I prefer 1Password (or just store the notes in a Mac encrypted Disk Image or a TrueCrypt encrypted Disk Image).

For storing files, I prefer Mac encrypted Disk Images or TrueCrypt encrypted Disk Images. Both are free. (If you want an organizational tool, try Yojimbo etc but store the database in a Mac encrypted Disk Image or a TrueCrypt encrypted Disk Image for added security).

Concealer is at VERSION 1. I suspect that many of of its shortcomings will be addressed in version 2. Lets' hope so. I like to see more competition in this area to give programs like 1Password a run for its money.