@arunisaac there is plenty of them if you do not mind lack of js support. If you want a secure, well maintained browser with JS then we can laugh-cry together.
Mozilla is doing stupid things, but they are relatively harmless. At the same time they do many, many good things https://www.mozilla.org/en-US/moss/
The recent faux pas is not a good reason to undertake a daunting task of creating a browser (js engine, layout engine and so on) from scratch.